Med James, Inc. v. Commissioner , 121 T.C. No. 9 ( 2003 )


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  •                      121 T.C. No. 9
    UNITED STATES TAX COURT
    MED JAMES, INC., Petitioner v.
    COMMISSIONER OF INTERNAL REVENUE, Respondent
    Docket No. 366-01.               Filed September 9, 2003.
    R sent P a 30-day letter proposing a deficiency in
    excess of $100,000 for P’s tax year ended Jan. 31,
    1994. R subsequently issued a notice of deficiency to
    P determining deficiencies in P’s corporate income
    taxes for its tax years ended Jan. 31, 1994, 1995, and
    1996. P filed a petition to this Court. R and P
    stipulated that P’s deficiency in income tax for the
    tax year ended Jan. 31, 1994, computed before allowance
    for a net operating loss (NOL) carryback from the
    subsequent tax year was $225,753. After allowance for
    the NOL carryback, P’s deficiency for the tax year
    ended Jan. 31, 1994, was $63,573. The Court entered a
    decision that there was a deficiency in income tax due
    from P for the tax year ended Jan. 31, 1994, of
    $63,573. The decision became final on Sept. 3, 2002,
    and R then assessed the $63,573 deficiency plus
    interest. R applied the increased interest rate under
    sec. 6621(c), I.R.C., for the period beginning 30 days
    after the 30-day letter was sent. P paid the
    deficiency and interest. On Mar. 17, 2003, P filed a
    motion to redetermine interest.
    - 2 -
    Held: The Court has jurisdiction under sec.
    7481(c), I.R.C., to redetermine interest because P paid
    the deficiency plus interest claimed by R, filed the
    motion within 1 year of the date the Court’s decision
    became final, and the deficiency and interest were
    assessed under sec. 6215, I.R.C.
    Held, further: Under sec. 6621(c), I.R.C., and
    the regulations promulgated thereunder, a large
    corporate underpayment exists if the excess of the
    amount of tax imposed by the Internal Revenue Code
    (excluding interest, penalties, additional amounts, and
    additions to tax) for the taxable period over the
    amount of tax paid on or before the return due date
    (“the threshold underpayment”) exceeds $100,000.
    Because the Code allows a deduction for NOL carrybacks
    for purposes of determining the tax imposed for the
    taxable year, the tax imposed by the Code for the year
    in issue was $63,573.
    Held, further: For purposes of sec. 6621(c),
    I.R.C., threshold underpayments of tax are generally
    determined only when an assessment is made with respect
    to a taxable period. Sec. 301.6621-3(b)(2)(iii)(A),
    Proced. & Admin. Regs. The interest rate under sec.
    6621(c), I.R.C., “hot interest”, does not apply if,
    after a Federal court determines a taxpayer’s liability
    for a period, the threshold underpayment for that
    taxable period does not exceed $100,000. Sec.
    301.6621-3(b)(2)(iii)(B), Proced. & Admin. Regs. After
    the Court entered its decision, P’s liability for the
    tax year in issue was $63,573. Therefore, sec.
    6621(c), I.R.C., does not apply.
    Ron R. Morgan, for petitioner.
    Eric Johnson, for respondent.
    - 3 -
    OPINION
    GOEKE, Judge:   On March 17, 2003, petitioner filed a motion
    to redetermine interest under section 7481(c) and Rule 261.1
    Petitioner, a C corporation, claims that it overpaid interest
    relating to its income tax liability for its tax year ended
    January 31, 1994, because respondent erroneously applied the
    increased interest rate under section 6621(c) (“hot interest”).
    The substantive issue for decision is whether a net operating
    loss (NOL) carryback which reduces an underpayment of tax for a
    preceding year below $100,000 is disregarded for purposes of
    determining whether a large corporate underpayment exists and
    whether hot interest applies.    We hold that the NOL is not
    disregarded and hot interest does not apply.    Before we address
    the substantive issue, we explain the Court’s jurisdiction to
    decide the matter.
    Background2
    On November 5, 1998, respondent sent a letter of proposed
    deficiency (30-day letter) to petitioner proposing a deficiency
    1
    Unless otherwise indicated, all section references are to
    the Internal Revenue Code in effect at the time of the filing of
    the motion, and all Rule references are to the Tax Court Rules of
    Practice and Procedure.
    2
    For purposes of deciding this motion, we rely in part on
    the information contained in the petitions, answer, stipulations,
    and decision document. The facts subsequent to the date the
    decision was entered are based on the parties’ undisputed factual
    allegations.
    - 4 -
    in excess of $100,000 for petitioner’s tax year ended January 31,
    1994.   On October 6, 2000, respondent issued a notice of
    deficiency to petitioner for its tax years ended January 31,
    1994, 1995, and 1996.    In the notice, respondent determined
    deficiencies in petitioner’s corporate income tax of $225,753,
    $111,191, and $184,219, respectively, for those years.
    Respondent also determined that petitioner was liable for an
    addition to tax under section 6651(a)(1) of $24,923.25 for the
    tax year ended January 31, 1995.
    Petitioner filed a petition and an amended petition with
    this Court seeking a redetermination.    In the petitions,
    petitioner disputed the entire amounts determined by respondent
    for the tax years ended January 31, 1994, and January 31, 1995,
    and $14,745 of the amount determined for the tax year ended
    January 31, 1996.   Among other allegations, petitioner alleged
    that it was entitled to an additional deduction of $900,000 for
    the tax year ended January 31, 1995, for an accrued liability to
    an insurance company.    On the basis of this allegation,
    petitioner alleged that it was entitled to an NOL of $605,067 for
    the tax year ended January 31, 1995.
    On March 18, 2002, the parties filed a stipulation of agreed
    issues with the Court.    Among other concessions, respondent
    conceded that for the tax year ended January 31, 1995, petitioner
    was entitled to an additional deduction of $900,000 and incurred
    - 5 -
    an NOL of $605,067.   In addition, the parties stipulated that
    they had not reached an agreement as to the application of all or
    part of the NOL carryback to the tax year ended January 31, 1994.
    On June 4, 2002, the parties filed the following stipulation
    with respect to petitioner’s income tax liability for the tax
    year ended January 31, 1994:
    Tax liability, computed without allowance
    for net operating loss carryback
    from the tax year ended January 31, 1995,
    to the tax year ended January 31, 1994    $225,753.00
    Tax assessed and paid                             0.00
    Deficiency, without allowance for net
    operating loss carryback                    225,753.00
    Reduction in liability due to net
    operating loss carryback                    162,180.00
    Deficiency, after allowance for net
    operating loss carryback                     63,573.00
    It is further stipulated that interest will be assessed
    as provided by law on the deficiencies due from
    petitioner.
    It is further stipulated that, effective upon the entry
    of this decision by the Court, the petitioner waives
    the restrictions contained in I.R.C. §6213(a)
    prohibiting assessment and collection of the
    deficiencies (plus statutory interest) until the
    decision of the Tax Court becomes final.
    On June 5, 2002, the Court entered a decision that there
    were deficiencies in income tax due from petitioner for the tax
    years ended January 31, 1994, 1995, and 1996, in the amounts of
    $63,573, $0, and $169,474, respectively, and that there was no
    addition to tax under section 6651(a)(1) for the tax year ended
    - 6 -
    January 31, 1995.   The decision document reflected an agreement
    by the parties: (1) The Court could enter the decision in
    accordance with the stipulation of the parties submitted
    therewith; (2) interest would be assessed as provided by law on
    the deficiencies due from petitioner; and (3) effective upon the
    entry of decision, petitioner waived the restrictions prohibiting
    assessment and collection of the deficiencies, plus statutory
    interest, until the decision of the Court became final.     The
    decision became final on September 3, 2002.
    On September 9, 2002, respondent issued a notice to
    petitioner reflecting an assessment of tax and interest of
    $63,573 and $99,100.97, respectively, for the tax year ended
    January 31, 1994.   Respondent subsequently issued a second
    notice, dated October 14, 2002, which included a tax due of
    $162,673.97.   This notice also included a penalty of $317.86.3
    In calculating interest, respondent applied the normal interest
    rate prescribed under section 6621(a)(2) for the period April 15,
    1994, until December 5, 1998.   This computation included
    restricted interest on $225,753 for the period April 15, 1994,
    until April 15, 1995, and normal interest on $63,573 from April
    15, 1995, until December 5, 1998.   On December 5, 1998,
    respondent began applying the increased interest rate prescribed
    3
    The evidence in the record reflects that the penalty was
    based on the failure to timely pay the assessment amount.
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    under section 6621(c).   Petitioner has paid the deficiency
    assessed for the tax year ended January 31, 1994, plus the
    interest and penalties claimed by respondent.
    Petitioner provided interest and penalty detail reports
    calculating petitioner’s interest liability applying section
    6621(c) and not applying section 6621(c).   If we decide that
    section 6621(c) does apply, petitioner does not dispute the
    accuracy of respondent’s original interest computation.   In the
    event we decide that section 6621(c) does not apply, respondent
    concedes that petitioner’s interest computation is correct.     The
    interest in dispute is $12,104.88.
    Discussion
    The parties dispute whether the increased interest rate
    prescribed under section 6621(c), or “hot interest”, applies.4
    Petitioner claims that hot interest does not apply because the
    deficiency amount decided by this Court and assessed by
    respondent did not exceed $100,000.    Respondent contends that for
    purposes of applying hot interest the underpayment of tax is the
    amount computed before allowance of any NOL carryback.    Before we
    4
    The increased interest rate assessed on large corporate
    underpayments is commonly known as “hot interest”. RHI Holdings,
    Inc. v. United States, 
    142 F.3d 1459
    , 1460 (Fed. Cir. 1998);
    Saltzman, IRS Practice and Procedure, par. 6.02[3][e] (2d ed.
    1991); Abreau, “Distinguishing Interest from Damages: A Proposal
    for a New Perspective”, 40 Buff. L. Rev. 373, 395 (1992).
    - 8 -
    address this issue, we explain this Court’s jurisdiction to
    redetermine interest.5
    I.   Jurisdiction
    Generally, this Court lacks jurisdiction over issues
    involving interest.    Bax v. Commissioner, 
    13 F.3d 54
    , 56 (2d Cir.
    1993); ASA Investerings Pship. v. Commissioner, 
    118 T.C. 423
    , 424
    (2002); LTV Corp. v. Commissioner, 
    64 T.C. 589
    , 597 (1975).
    However, we do have jurisdiction to redetermine interest in
    certain limited circumstances.    Section 7481(c) provides:
    SEC. 7481(c).   Jurisdiction Over Interest
    Determinations.--
    (1) In General.–-Notwithstanding subsection (a),
    if, within 1 year after the date the decision of the
    Tax Court becomes final under subsection (a) in a case
    to which this subsection applies, the taxpayer files a
    motion in the Tax Court for a redetermination of the
    amount of interest involved, then the Tax Court may
    reopen the case solely to determine whether the
    taxpayer has made an overpayment of such interest or
    the Secretary has made an underpayment of such interest
    and the amount thereof.
    (2) Cases to which this subsection applies.–- This
    subsection shall apply where–-
    (A)(i) an assessment has been made by the
    Secretary under section 6215 which includes interest
    as imposed by this title, and
    (ii) the taxpayer has paid the entire
    5
    In Pen Coal Corp. v. Commissioner, 
    107 T.C. 249
    , 254
    (1996), we held that we lacked jurisdiction to redetermine a
    taxpayer’s liability for hot interest in deficiency proceedings.
    We explicitly left for another day whether we have jurisdiction
    to determine liability for hot interest in a supplemental
    proceeding commenced pursuant to sec. 7481(c) and Rule 261. Id.
    - 9 -
    amount of the deficiency plus interest
    claimed by the Secretary, and
    (B) the Tax Court finds under section 6512(b)
    that the taxpayer has made an overpayment.
    (3) Special rules.–-If the Tax Court determines
    under this subsection that the taxpayer has made an
    overpayment of interest or that the Secretary has made
    an underpayment of interest, then that determination
    shall be treated under section 6512(b)(1) as a
    determination of an overpayment of tax. An order of
    the Tax Court redetermining interest, when entered upon
    the records of the court, shall be reviewable in the
    same manner as a decision of the Tax Court.[6]
    We have jurisdiction to redetermine interest under section
    7481(c) when: (1) The entire amount of the deficiency plus the
    entire amount claimed by the Commissioner as interest on the
    deficiency has been paid; (2) a timely motion to redetermine
    interest has been filed; and (3) an assessment has been made by
    the Commissioner under section 6215 which includes interest.
    Rule 261; ASA Investerings Pship. v. Commissioner, supra at 425;
    Bankamerica Corp. v. Commissioner, 
    109 T.C. 1
    , 6-7 (1997).
    Petitioner has paid the entire amount of the deficiency for
    the tax year ended January 31, 1994, plus the entire amount of
    6
    Under sec. 7481(a), a decision of this Court becomes final
    “after the exhaustion of the possibilities of direct review”.
    This finality generally precludes any subsequent consideration by
    the Court. Kenner v. Commissioner, 
    387 F.2d 689
    , 690 (7th Cir.
    1968); ASA Investerings Pship. v. Commissioner, 
    118 T.C. 423
    , 425
    n.3 (2002). Sec. 7481(c) “‘specifically carves out an exception
    to the rule on the finality of our decisions’; a prerequisite for
    invoking that exception is a final decision of this Court.” ASA
    Investerings Pship. v. Commissioner, supra at 425 n.3 (quoting
    Bankamerica Corp. v. Commissioner, 
    109 T.C. 1
    , 8-9 (1997)).
    - 10 -
    interest (and penalties) related to the deficiency.     Petitioner’s
    motion to redetermine interest was filed on March 17, 2003, which
    date was within 1 year of the date the Court’s decision became
    final.   Thus, petitioner has satisfied the first two
    jurisdictional prerequisites.
    Section 6215 requires a petition filed by the taxpayer with
    this Court and an amount redetermined as a deficiency by a
    decision of the Court which has become final.     ASA Investerings
    Pship. v. Commissioner, supra at 426.     These requirements have
    been met because a petition was filed to this Court and the Court
    entered a decision, which has become final, redetermining an
    amount as a deficiency.   The evidence in the record reflects that
    respondent has assessed the deficiency and interest for the tax
    year ended January 31, 1994.     Accordingly, we hold that the
    requirements of section 7481(c) have been met and we have
    jurisdiction to determine whether petitioner made an overpayment
    of interest.
    II.   Applicable Interest Rate
    Interest on underpayments of tax is generally imposed at the
    normal underpayment rate of the Federal short-term rate plus 3
    percentage points.   Secs. 6601(a), 6621(a)(2).    Section 6621(c)
    imposes an additional 2-percent interest rate, called hot
    interest, on large corporate underpayments.     In the present case,
    if applicable, this additional interest would be imposed by
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    section 6621(c)(2)(A)(i) 30 days after November 5, 1998, the date
    respondent sent the 30-day letter.     At all times that hot
    interest might apply in this case, the underlying tax to which it
    would apply was $63,573, which is less than the $100,000
    threshold for a large corporate underpayment and the application
    of hot interest.7   Sec. 6621(c)(3)(A).    Nevertheless, respondent
    maintains that because the pre-NOL liability for the year ended
    January 31, 1994, was $225,753, hot interest should apply.8
    Thus, the case before us turns on whether the amount subject to
    the threshold determination should be reduced by the NOL9 from
    the tax year ended January 31, 1995.      Hot interest applies only
    to periods after the “applicable date”.     Sec. 6621(c)(1); sec.
    7
    In addition to applying to the underlying tax, hot interest
    applies to any interest, penalties, additional amounts, and
    additions to tax imposed with respect to the underlying tax;
    however, the threshold amount is determined based only on the
    underlying tax. Sec. 301.6621-3(b)(2)(i) and (ii), Proced. &
    Admin. Regs.
    8
    The evidence in the record reflects that the tax shown as
    due on petitioner’s return for the tax year ended Jan. 31, 1994,
    was zero.
    9
    An NOL is generally defined as the excess of deductions
    over gross income. Sec. 172(c). Sec. 172 provides specific
    rules allowing NOLs to be carried back to preceding taxable years
    and carried forward to future years to reduce a taxpayer’s
    taxable income. Sec. 172(a) allows as a deduction for the
    taxable year an NOL carryback. If the amount of tax is reduced
    by reason of an NOL carryback, the reduction in tax does not
    affect the computation of interest under sec. 6601 for the period
    ending with the filing date for the taxable year in which the NOL
    arises. Sec. 6601(d)(1); see also Manning v. Seeley Tube & Box
    Co., 
    338 U.S. 561
    , 570 (1950); Intel Corp. & Consol. Subs. v.
    Commissioner, 
    111 T.C. 90
    , 95 (1998).
    - 12 -
    301.6621-3(c)(1), Proced. & Admin. Regs.        In the case of any
    underpayment of a tax to which the deficiency procedures apply,
    the applicable date is the 30th day after the earlier of the date
    on which the Commissioner sends the 30–day letter or the notice
    of deficiency.        Sec. 6621(c)(2); sec. 301.6621-3(c)(2), Proced. &
    Admin. Regs.        Letters or notices involving amounts not greater
    than $100,000 (determined by not taking into account any
    interest, penalties, or additions to tax) are disregarded for
    purposes of determining the applicable date.10       Sec.
    6621(c)(2)(B)(iii).
    It is undisputed that petitioner was liable for interest on
    the original understatement of $225,753 for the period from the
    due date of the return for the tax year ended January 31, 1994,
    to the due date of the return for the tax year ended January 31,
    1995.        Additionally, it is undisputed that from the due date of
    the return for the taxable year ended January 31, 1995, until the
    date paid in full, petitioner was generally liable for interest
    10
    As originally enacted, sec. 6621(c) did not contain the
    provision disregarding letters or notices involving amounts not
    greater than $100,000. The Taxpayer Relief Act of 1997, Pub. L.
    105-34, sec. 1463(a), 111 Stat. 1057, added sec.
    6621(c)(2)(B)(iii), applicable for purposes of determining
    interest for periods after Dec. 31, 1997. The legislative
    history indicates that Congress was concerned that minor
    mathematical errors by the taxpayer might result in the
    application of hot interest to a subsequently identified income
    tax deficiency. H. Rept. 105-148, at 642 (1997), 1997-4 C.B.
    (Vol. 1) 319, 964. The Commissioner has not updated the
    regulations promulgated under sec. 6621(c) to reflect this
    change.
    - 13 -
    on the reduced amount of $63,573.11      The parties agree that the
    normal underpayment rate under section 6621(a)(1) applies from
    the due date of the return for the tax year ended January 31,
    1994, until December 5, 1998.12
    Petitioner argues that hot interest does not apply because
    the underpayment of tax for the tax year ended January 31, 1994,
    was $63,573, which is below the $100,000 amount required to
    trigger application of the increased interest rate.      Petitioner
    claims that the deficiency amount decided by this Court and then
    assessed by respondent is the proper amount to use in determining
    whether hot interest applies.
    Respondent contends that hot interest applies because it is
    undisputed that before the carryback of the NOL from the tax year
    ended January 31, 1995, petitioner’s corporate income tax was
    understated by $225,753.   Respondent’s argument is based on the
    position that an NOL carryback, regardless of whether it is
    applied preassessment or postassessment, does not reduce the
    amount of the underpayment for an earlier taxable period.
    11
    The interest and penalty detail reports computing the
    amount of interest owed by petitioner state that the period from
    July 5, 2002, through Sept. 9, 2002, was an “interest free
    period”.
    12
    The interest computation report prepared by respondent
    states that the 30-day letter date was Nov. 5, 1998. Respondent
    started imposing hot interest on Dec. 5, 1998. If we decide that
    there was a large corporate underpayment, then petitioner does
    not challenge the use of this date as the applicable date.
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    A threshold underpayment of tax is defined for this purpose
    as the excess of a tax imposed by the Internal Revenue Code (the
    Code) (exclusive of interest, penalties, additional amounts, and
    additions to tax) for the taxable period over the amount of tax
    paid on or before the last date prescribed for payment.    Sec.
    301.6621-3(b)(2)(ii), Proced. & Admin. Regs.    This case turns on
    when the tax imposed by the Internal Revenue Code for purposes of
    determining the amount of a threshold underpayment is determined.
    If determined at the time hot interest starts to accrue, when the
    tax was assessed, or after this Court’s decision, petitioner
    prevails.    If determined at the time petitioner’s return was
    filed, respondent prevails.    On the basis of the Code and the
    regulations, we hold that the determination in this case is made
    no sooner than the time of entry of our decision that there was a
    deficiency of $63,573.
    The first step is to determine the amount of tax imposed by
    the Code on petitioner for the tax year ended January 31, 1994.13
    Section 11(a) imposes a tax for each tax year on the taxable
    income of a corporation.    Taxable income is the corporation’s
    gross income minus the deductions allowed by chapter 1 of the
    Code.     Lastarmco, Inc. v. Commissioner, 
    79 T.C. 810
    , 812 (1982),
    13
    The taxable period in this case is the taxable year
    because the taxes at issue are income taxes imposed by subtitle A
    of the Code. Sec. 6621(c)(3)(B); sec. 301.6621-3(b)(4), Proced.
    & Admin. Regs.
    - 15 -
    affd. 
    737 F.2d 1440
     (5th Cir. 1984); sec. 1.11-1(b), Income Tax
    Regs.     Section 172(a) allows as a deduction for the taxable year
    an NOL carryback.     NOLs in tax years beginning before August 6,
    1997, may generally be carried back to the 3 years preceding the
    loss year and then forward to 15 years following the loss year.
    Sec. 172(b)(1)(A); Taxpayer Relief Act of 1997, Pub. L. 105-34,
    sec. 1082(a), 111 Stat. 950; see also Intermet Corp. & Subs. v.
    Commissioner, 
    117 T.C. 133
    , 136 n.1 (2001).
    At the time petitioner filed its Federal income tax return
    for the tax year ended January 31, 1994, it understated its
    income tax by $225,753.     The tax shown as due on petitioner’s
    return for the year was zero.     The parties agree that for the tax
    year ended January 31, 1995, petitioner incurred an NOL which it
    was entitled to carry back to the year in issue.     Section 172(a)
    treats the NOL carryback as a deduction from petitioner’s income.
    This deduction reduced petitioner’s taxable income, and
    correspondingly reduced its tax, as imposed by the Code, for the
    tax year ended January 31, 1994, to $63,573.     Therefore, under a
    straightforward application of the statute and the Commissioner’s
    own regulations, the excess of the tax imposed by the Code for
    the tax year at issue over the amount of tax paid on or before
    the return due date was $63,573.
    - 16 -
    This interpretation is consistent with other parts of the
    regulations that discuss when an underpayment is determined.
    Section 301.6621-3(b)(2)(iii), Proced. & Admin. Regs., provides:
    (iii) When determined--(A) In general. The
    existence of a threshold underpayment of a tax and
    the amount of a large corporate underpayment are
    generally determined only when an assessment is made
    with respect to the taxable period. Thus, the amount
    of a deficiency or proposed deficiency set forth
    in a letter or notice pursuant to which the
    applicable date is determined (under paragraph (c)
    of this section) does not determine whether there
    is a large corporate underpayment.
    (B) Judicial determinations.
    Notwithstanding any prior assessment made
    with respect to a taxable period, the section
    6621(c) rate does not apply if, after a
    federal court determines the taxpayer’s
    liability for a period, the threshold
    underpayment for that taxable period does not
    exceed $100,000. See Example 3 in paragraph (d)
    of this section.
    Section 301.6621-3(d), Examples (2) and (3), Proced. &
    Admin. Regs., illustrate the application of the above
    regulations.   In Example 2, involving a corporation that
    petitions the Tax Court for redetermination of a deficiency in
    its income tax, the date of the Tax Court’s determination is the
    operative date for purposes of determining the threshold
    underpayment of tax.   In Example 3, the Commissioner examines the
    taxpayer’s return and subsequently sends a 30-day letter
    proposing a deficiency of $450,000 and then a notice of
    deficiency determining a $300,000 deficiency.   The taxpayer does
    not file a petition to the Tax Court, and the Commissioner
    - 17 -
    assesses the $300,000.   The taxpayer then pays the amount
    assessed and files a claim for refund.   A Federal district court
    determines that, exclusive of interest and penalties, the
    taxpayer overpaid its income tax by $250,000.
    Example 3 states that at the time of the assessment there
    was a large corporate underpayment of $300,000.   However, the
    example goes on to state that because of the district court’s
    decision that the taxpayer’s underpayment, exclusive of interest
    and penalties, was only $50,000, the taxpayer does not have a
    large corporate underpayment.
    Respondent argues that despite the language contained in the
    above regulations, petitioner had a large corporate underpayment.
    With respect to section 301.6621-3(b)(2)(iii)(A), Proced. &
    Admin. Regs., respondent claims that the term “generally”
    indicates that assessments and abatements of assessment are not
    necessarily dispositive.   We disagree with respondent’s
    interpretation.
    Section 301.6621-3(b)(2)(iii), Proced. & Admin. Regs., and
    Examples 2 and 3 indicate that the assessment date is generally
    the operative date for purposes of determining whether there is
    an underpayment of tax exceeding $100,000.   If the assessment
    reflects an underpayment exceeding $100,000, then there is a
    large corporate underpayment at that time.   However, if after a
    judicial determination the taxpayer’s liability is determined to
    - 18 -
    not exceed $100,000, then there is no large corporate
    underpayment and hot interest does not apply.   The use of the
    word “generally” in section 301.6621-3(b)(2)(iii)(A), Proced. &
    Admin. Regs., accounts for judicial determinations.    A subsequent
    judicial determination overrides a previous assessment and
    represents the operative date for purposes of determining whether
    there is a large corporate underpayment.   As illustrated by
    example 3 in the regulations, this concept is important in the
    case of a taxpayer seeking a refund in a Federal district court
    because any deficiency will generally be assessed before the
    judicial determination is made.   However, in proceedings properly
    before this Court, the Commissioner generally does not assess the
    deficiency until the Court’s decision becomes final.    In this
    case, after the decision became final, respondent assessed the
    deficiency of $63,573.   Therefore, the assessment in this case
    did not reflect a threshold underpayment of tax exceeding
    $100,000.
    With respect to section 301.6621-3(b)(2)(iii)(B), Proced. &
    Admin. Regs., respondent claims that the Court’s decision
    determined a deficiency, but it did not determine any issue with
    respect to the existence of a large corporate underpayment.
    Respondent contends that there was a large corporate underpayment
    because from at least the return due date for the tax year ended
    January 31, 1994, until the return due date for the tax year
    - 19 -
    ended January 31, 1995, petitioner had an underpayment with
    respect to the tax year ended January 31, 1994, that exceeded
    $100,000.
    Section 301.6621-3(b)(2)(iii)(B), Proced. & Admin. Regs.,
    plainly provides that section 6621(c) does not apply if, after
    this Court determines the taxpayer’s liability for a period, the
    threshold underpayment for the taxable period does not exceed
    $100,000.   The Court had no jurisdiction to make a determination
    with respect to petitioner’s interest liability because section
    7481(c) was triggered only after the decision became final and
    respondent assessed the deficiency.    Pen Coal Corp. v.
    Commissioner, 
    107 T.C. 249
    , 254 (1996).   The Court did decide
    that the deficiency in petitioner’s income tax for the tax year
    ended January 31, 1994, was $63,573.   Respondent assessed this
    amount after the decision became final.   Under the regulations,
    the Court’s decision and subsequent assessment establish that
    there was not a threshold underpayment of tax exceeding $100,000
    for purposes of section 6621(c).
    Finally, respondent relies on one sentence in the preamble
    to the regulations to support his position that the amount of the
    underpayment should be determined without consideration of any
    NOL carryback.   The entire paragraph containing the sentence
    provides:
    - 20 -
    Post-Assessment Determinations of the Amount of the
    Threshold Underpayment
    Commentators argued that the section 6621(c) rate
    should not apply if it is determined after assessment
    that the threshold underpayment is less than $100,000.
    The section 6621(c) rate does not apply if, as a result
    of a full or partial abatement of an assessment to
    correct an administrative error on the part of the
    Service, the taxpayer’s threshold underpayment does not
    exceed $100,000. The final regulations also provide
    that the section 6621(c) rate does not apply, if, as a
    result of a court determination of the taxpayer’s
    liability, the threshold underpayment is less than
    $100,000. However, a net operating loss or credit
    carryback does not reduce the amount of the threshold
    underpayment for an earlier taxable period. [T.D.
    8447, 1992-2 C.B. 313, 315; emphasis added.]
    The heading of the paragraph indicates that this portion of
    the preamble is referring to postassessment determinations that
    potentially affect the amount of a threshold underpayment.     In
    such a situation, the preamble states that an NOL does not reduce
    the amount of an underpayment for an earlier taxable period.     The
    instant case does not involve a postassessment determination.
    Rather, at the time of the Court’s decision and the subsequent
    assessment, the parties were fully aware of the NOL, and
    petitioner’s liability for the tax year at issue was computed
    with allowance for the NOL carryback.
    The regulations do not state that a liability or threshold
    underpayment is not adjusted to account for an NOL for purposes
    of determining whether section 6621(c) applies.   Rather, the
    regulations generally provide that if the liability assessed by
    respondent or decided by this Court does not exceed $100,000,
    - 21 -
    then hot interest does not apply.    As explained earlier, the
    assessment date is generally the operative date for purposes of
    determining whether there is a large corporate underpayment and
    hot interest applies.    If the liability is subsequently
    redetermined by a Federal court, then the operative date is when
    the judicial determination is made.     Because petitioner did not
    have a threshold underpayment of tax exceeding $100,000 after
    this Court’s decision or on the assessment date, section 6621(c)
    does not apply.14
    Respondent’s arguments in this case focus on petitioner’s
    liability as of the return due date, without reference to any
    future events that might ultimately reduce petitioner’s liability
    for the taxable year.    This is consistent with the general rule
    of section 6601(d) that if the amount of income tax is reduced by
    the carryback of NOLs and capital losses, the reduction does not
    affect the computation of interest for the period ending with the
    filing date for the taxable year in which the NOL or capital loss
    arose.    However, unlike normal interest, hot interest does not
    start to accrue until the applicable date.15    This distinguishes
    14
    We leave to another day whether an NOL carryback
    determination made postassessment or after a final judicial
    determination would affect the existence or amount of a threshold
    underpayment of tax.
    15
    The legislative history of sec. 6621(c) indicates that
    Congress was concerned that corporations were allowed to deduct
    interest on tax obligations but that individuals were not.
    (continued...)
    - 22 -
    the rule regarding NOLs in section 6601(d) from the position
    advanced by respondent in the context of section 6621(c), and it
    highlights the distinction in the statutory scheme between
    liability for interest and the proper rates of interest to apply.
    Our holding today is consistent with this statutory scheme and
    incorporates the mandate of the statute, the guidance set forth
    in respondent’s own regulations, and the legislative history
    associated with the enactment of the increased interest rate
    rules.
    III.    Conclusion
    The statutes and regulations containing the interest
    provisions indicate that the purpose of section 6621(c) is to
    impose a higher rate of interest on corporate taxpayers if, after
    a letter or notice proposing or determining a deficiency
    exceeding $100,000 is sent to a taxpayer and payment is not
    promptly made, a judicial determination or assessment is made
    reflecting an underpayment exceeding $100,000.    In the instant
    case, the parties agreed and this Court decided that petitioner
    had a deficiency of $63,573 for the tax year ended January 31,
    15
    (...continued)
    Imposing a $100,000 threshold and allowing corporations to avoid
    hot interest by paying the underpayment within 30 days after
    notice was provided indicates that Congress was reluctant to
    allow arbitrage activities by corporations accruing interest but
    did not want to penalize corporations with small underpayments or
    which promptly paid their tax liabilities. H. Conf. Rept. 101-
    964 (1990), 1991-2 C.B. 560, 591.
    - 23 -
    1994, computed after allowance of the NOL carryback.    That amount
    was assessed by respondent after this Court’s decision became
    final.   Although petitioner’s underpayment at the time of the due
    date for the 1994 return was $225,753, petitioner was entitled
    under the Code to carry back its NOL from the subsequent year,
    resulting in a tax of $63,573 for petitioner’s tax year ended
    January 31, 1994.   The NOL arose more than 3-1/2 years before
    respondent sent the 30-day letter containing the proposed
    deficiency exceeding $100,000.    Applying hot interest in this
    situation, where the amount of petitioner’s liability decided by
    the Court, the amount assessed by respondent, and the tax imposed
    by the Code does not exceed $100,000, is contrary to the
    regulations.   Accordingly, we hold that section 6621(c) does not
    apply under the facts of this case.
    An appropriate order will be
    entered.