All questions
Question 1
Dana's spouse died on February 14, 2025. No personal representative has been appointed. She planned to file a joint 2025 return with the deceased spouse to claim a refund of his withheld wages. On October 11, 2025, she remarried. She asks what filing status she may use for 2025.
Which of the following is correct?
- She may file a joint return with her deceased spouse because no personal representative was appointed and she was married to him during 2025.
- She may file a joint return with either her deceased spouse or her new spouse because she was married to both during 2025.
- She may file a joint 2025 return with her new spouse, but she may not file a joint return with her deceased spouse. (correct answer)
- She must file as single for 2025 because she was married to two different individuals during the year and neither marriage covers the entire year.
Explanation: IRC § 6013(a)(2) permits a surviving spouse to file a joint return with a deceased spouse for the year of death only if the surviving spouse has not remarried before the close of the deceased spouse's taxable year. Because Dana remarried on October 11, 2025, before December 31, 2025, she cannot file jointly with her deceased spouse; for 2025 she is married at year-end and may file a joint return with her new spouse. Choice A ignores the remarriage bar. Choice B is wrong because the survivor has no election to file jointly with the decedent once she has remarried before year-end. Choice D is wrong because being married to different spouses during the year does not make her single.
Question 2
Lena and Marcos file a joint 2025 return showing an overpayment of $7,200, all of which came from Lena's wage withholding. Marcos owes past-due federal income tax from a business he owned before the marriage. Lena wants to keep her share of the refund from being applied to Marcos's debt.
Which of the following is the correct procedure and result?
- Lena should claim innocent spouse relief under IRC § 6015, which will relieve her of any obligation to pay Marcos's past-due federal tax.
- Her share of the overpayment will be offset because a joint overpayment may be applied to any past-due federal tax liability of either spouse.
- Lena should file Form 8379 with the joint return; the IRS will treat her as an injured spouse and refund her allocable share of the overpayment before offset. (correct answer)
- Lena should file a separate Form 1040-X to claim her withholding as a refund before the joint return is processed.
Explanation: IRC § 6402 authorizes offsets of overpayments against a taxpayer's past-due federal tax liabilities, but an injured spouse may file Form 8379 to protect his or her allocable share of a joint overpayment from the other spouse's debts. Because Lena's withholding generated the overpayment and Marcos's debt is his separate past-due tax, Lena may be an injured spouse. Choice A confuses injured-spouse relief with IRC § 6015 innocent-spouse relief, which addresses understatements on a joint return, not pre-existing debts. Choice B states the general offset rule while ignoring her protected share. Choice D is wrong because Form 1040-X is not the mechanism to allocate an original joint refund; Form 8379 is.
Question 3
Alonzo, a cash-basis taxpayer, died on November 30, 2025, and was survived by Carmen, who had not remarried. They are filing a joint 2025 return. Before his death, Alonzo received $118,000 in wages, a $12,000 bonus, $3,200 in dividends, and $9,000 of gain from stock whose sale proceeds he received before death. After Alonzo's death, the estate received a $4,000 paycheck for wages Alonzo had earned November 16–30 and a $6,000 bonus that had been declared before his death but was not paid or made available to him; it was paid to the estate in January 2026. Alonzo's sister, as the named beneficiary of his IRA, received a $50,000 IRA distribution after his death. Carmen received 74,000inwagesduring2025(68,000 before Alonzo's death and $6,000 afterward). What amount is includible in gross income on their joint 2025 Form 1040?
- $210,200
- $216,200 (correct answer)
- $226,200
- $266,200
Explanation: IRC §§ 6013(a)(2), 451(a) and 691(a). A joint return may be filed for the year of a spouse's death; it includes the decedent's income through the date of death and the surviving spouse's income for the entire year. A cash-basis decedent's final return includes only income actually or constructively received before death. Income the decedent had a right to but had not received, and that was not credited or made available to him without restriction, is income in respect of a decedent and is taxed to the estate or beneficiary that receives it. Alonzo's includible income is $118,000 + $12,000 + $3,200 + $9,000 = $142,200. Carmen's full-year wages are $74,000. The total is $142,200 + $74,000 = $216,200. The $4,000 paycheck and the $6,000 bonus were not paid or made available to Alonzo before death, so they are income in respect of a decedent reported by the estate, and the 50,000IRAdistributionisincomeinrespectofadecedenttothesister.ChoiceBiscorrect.ChoiceA(210,200) is wrong because it counts only Carmen's 68,000earnedbeforeAlonzo′sdeath;thesurvivingspouse′sincomeforthewholeyearbelongsonthejointreturn.ChoiceC(226,200) is wrong because it adds the $4,000 + $6,000 = 10,000ofpost−deathcompensationpaidtotheestate.ChoiceD(266,200) is wrong because it adds the $50,000 IRA distribution, which is the sister's income. Question 4
A husband and wife file a joint 2025 return. During 2025, the husband performed consulting work and received $18,000, which he did not report. He told his wife about the consulting work, but she believed he had included the income in the return. The IRS later asserts a deficiency based on the omitted fees, and the wife requests relief under IRC § 6015(b).
Which of the following best describes whether the wife may obtain relief under IRC § 6015(b)?
- She is not eligible under § 6015(b) because she had actual knowledge of the item giving rise to the deficiency, even though she did not know the item was omitted from the return. (correct answer)
- She is eligible under § 6015(b) because she had no reason to know the return was understated and she received no direct benefit from the omitted fees.
- She is eligible under § 6015(b) only for the portion of the deficiency attributable to her share of the fees under community property rules.
- She is eligible under § 6015(b) because that section requires only that she did not know the tax had not been paid, not that she was unaware of the consulting fees.
Explanation: IRC § 6015(b)(1) governs this relief. A requesting spouse must show, among other things, that she had no actual or constructive knowledge of the item giving rise to the understatement; knowledge that the spouse received the consulting income is knowledge of that item, even if she did not realize it was omitted. Because the wife knew about the consulting work, she cannot satisfy the lack-of-knowledge requirement. Choice B is wrong because actual knowledge of the income defeats relief regardless of benefit. Choice C is wrong because it creates a community-property allocation not present in the facts. Choice D is wrong because § 6015(b) requires lack of knowledge of the understatement, not merely lack of knowledge that the tax remained unpaid.
Question 5
During 2025, a U.S. citizen gave $150,000 in cash to his wife, who is not a U.S. citizen, and $30,000 in cash to his adult daughter. His wife did not consent to gift splitting, and he made no other gifts.
Which of the following is correct regarding his gift tax return obligations for 2025?
- The gift to the daughter is an $11,000 taxable gift requiring Form 709; the gift to the wife is within the $190,000 noncitizen-spouse exclusion. (correct answer)
- The gift to the wife exceeds the $19,000 annual exclusion, and the daughter's gift is excluded, so Form 709 is required only because of the wife's gift.
- No Form 709 is required because the wife's gift is within the special annual exclusion and the daughter's gift is to a family member.
- The gift to the wife qualifies for the unlimited marital deduction, so only the daughter's $30,000 gift must be reported on Form 709.
Explanation: IRC § 2523(i)(2) provides a $190,000 annual exclusion for gifts to a noncitizen spouse in 2025, so the $150,000 gift to the wife is not a taxable gift. Under IRC § 2503(b), the $30,000 gift to the daughter exceeds the $19,000 per-donee exclusion, leaving an $11,000 taxable gift, and IRC § 6019 requires Form 709 for taxable gifts. Gift splitting does not apply because the wife did not consent. Choice B applies the ordinary $19,000 exclusion to the spouse. Choice C ignores the daughter's taxable gift. Choice D incorrectly treats the transfer to a noncitizen spouse as eligible for the unlimited marital deduction.
Question 6
Maria's husband, John, died on November 14, 2025. Maria did not remarry during 2025. Maria filed the couple's 2025 joint federal income tax return on February 20, 2026; no executor or administrator had been appointed for John's estate at that time, and Maria did not request an extension. In December 2026, the court appointed an executor, who wishes to file a separate 2025 return for John instead of the joint return already filed.
Which of the following is correct regarding the executor's authority?
- The executor may revoke the joint return only with Maria's consent, and if Maria refuses, the joint return remains binding on John's estate.
- The executor may revoke the joint return at any time before the expiration of the three-year period for assessing tax for 2025, regardless of when the executor was appointed.
- The executor may not revoke the joint return, because a surviving spouse's timely filed joint return for the year of death is binding on the estate of the deceased spouse.
- The executor may revoke the joint return by filing a separate 2025 return for John within one year after the last day prescribed by law for filing Maria's 2025 return. (correct answer)
Explanation: IRC § 6013(a)(3). A surviving spouse may file a joint return for the year of death when no executor or administrator has been appointed. If an executor is appointed after the surviving spouse files, the executor may disaffirm (revoke) the joint return by making a separate return for the decedent within one year after the last day prescribed by law for filing the surviving spouse's return. Maria's 2025 return was due April 15, 2026, and she requested no extension, so the executor appointed in December 2026 may disaffirm by filing John's separate 2025 return by April 15, 2027. Choice D is correct. Choice A conditions the executor's right on Maria's consent, which the statute does not require. Choice C treats the joint return as binding on the estate, but the statute gives a later-appointed executor the right to disaffirm it. Choice B substitutes the general assessment period under IRC § 6501 for the one-year disaffirmance period.
Question 7
Mateo and Elena filed a joint return for 2025. Elena's wages had $12,500 of federal income tax withheld, and Mateo's wages had $5,500 withheld. They made no estimated tax payments. Their total tax liability after all credits was $11,000, so the return showed a $7,000 overpayment. The IRS applied the overpayment to Mateo's past-due federal tax debt. Elena qualifies as an injured spouse. Under the Form 8379 allocation, Elena's share of the joint tax liability is $6,200 and Mateo's share is $4,800. What amount may Elena recover from the overpayment?
- $700
- $3,500
- $6,300 (correct answer)
- $7,000
Explanation: IRC § 6402 allows the IRS to offset a joint overpayment against a spouse's past-due federal tax, but the injured spouse may recover the portion of the overpayment attributable to that spouse's own payments. Elena's payments are the $12,500 withheld from her wages. Her allocated share of the $11,000 joint liability is $6,200. Her share of the overpayment is $12,500 − $6,200 = $6,300. The remaining $700 of the 7,000overpaymentisMateo′sallocableshareandissubjecttooffset.ChoiceA(700) is Mateo's share, not Elena's recoverable amount. Choice B (3,500)incorrectlydividestheoverpaymentequally.ChoiceD(7,000) treats the entire overpayment as Elena's and ignores Mateo's $700 share. Question 8
Priya and Blake filed a joint return for 2024 and divorced in 2025. The IRS examined the return, and the resulting deficiency is attributable entirely to the following items: $8,000 of additional tax from Blake's unreported self-employment income; $4,500 of additional tax from the disallowance of a deduction Blake claimed on his separate farming business; and $3,500 of additional tax from a taxable IRA distribution Priya received in 2024 but did not report. Priya had no actual knowledge of Blake's items, and no assets were transferred between them. She elects relief under IRC § 6015(c). What amount of the deficiency may she be relieved from?
- $3,500
- $8,000
- $12,500 (correct answer)
- $16,000
Explanation: IRC § 6015(c) allows a divorced taxpayer to limit liability to the portion of a deficiency allocated to that taxpayer under IRC § 6015(d), which generally allocates items as if separate returns had been filed. Blake's unreported self-employment income (8,000)andhisdisallowedfarming−businessdeduction(4,500) are allocable to Blake, so Priya may be relieved from 12,500.TheunreportedIRAdistribution(3,500) is allocable to Priya because it was an item of her income, so she remains liable for that portion. Choice A (3,500)istheportionPriyaremainsliablefor,notthereliefamount.ChoiceB(8,000) omits the disallowed deduction allocated to Blake. Choice D ($16,000) would relieve Priya of her own IRA distribution item as well. Question 9
Harold, a U.S. citizen, died in March 2025. His gross estate is $10,000,000, all of which passes outright to his wife, who is a U.S. citizen. Harold made no taxable gifts during life. The executor knows no estate tax will be due because of the unlimited marital deduction, but is considering whether to file Form 706 to preserve the deceased spousal unused exclusion (DSUE) for his wife.
Which of the following is correct regarding the Form 706 decision?
- Form 706 is required because every estate with a gross estate above $1,000,000 must file, even when no estate tax is due.
- Form 706 should be filed to elect portability of the unused exclusion; the election must be made on a timely filed return, and no estate tax is due. (correct answer)
- Form 706 should not be filed because the estate is below the $13,990,000 basic exclusion amount and the marital deduction eliminates any tax.
- The portability election can be made later on the surviving spouse's first estate tax return, so no Form 706 is needed now.
Explanation: Under IRC § 2010(c)(5), the portability election must be made on a timely filed estate tax return; the DSUE amount is defined in § 2010(c)(2). Although Harold's estate has no tax due because the marital deduction reduces his taxable estate to zero, filing Form 706 is the way to elect portability, even for an estate that would not otherwise be required to file. Choice A is wrong because there is no $1,000,000 federal estate tax filing threshold for 2025 decedents. Choice C is wrong because failing to file forfeits the portability election. Choice D is wrong because the election is made on the decedent's estate tax return, not on the surviving spouse's later return.
Question 10
Which of the following is correct regarding relief from joint and several liability for spouses who filed a joint federal income tax return?
- A spouse requesting relief under IRC § 6015(b) must show that an understatement is attributable to erroneous items of the other spouse, that the requesting spouse had no actual knowledge and no reason to know of it, and that it would be inequitable to hold the requesting spouse liable. (correct answer)
- A spouse requesting separation of liability under IRC § 6015(c) must satisfy the same knowledge requirements as § 6015(b), including proving that the requesting spouse had no actual knowledge and no reason to know of the understatement at the time the return was signed.
- Equitable relief under IRC § 6015(f) applies only to an understatement shown on a joint return and may not be granted for an unpaid liability reported on that return, even if forcing the requesting spouse to pay would cause economic hardship.
- A request for relief under IRC § 6015 is made on Form 8379 and may be filed only after the IRS has issued a notice of deficiency or begun collection activities against the requesting spouse.
Explanation: Authority: IRC § 6015(b), (c), and (f); Form 8857. Choice A correctly lists the elements of innocent spouse relief under § 6015(b): the understatement is attributable to the other spouse's erroneous items, the requesting spouse had neither actual knowledge nor reason to know, and it is inequitable to hold the requesting spouse liable. Choice B incorrectly imports the § 6015(b) reason-to-know standard into § 6015(c); separation of liability uses an actual-knowledge exception, not a no-reason-to-know requirement. Choice C incorrectly limits § 6015(f) to understatements; equitable relief may cover unpaid liabilities. Choice D is wrong because the request is made on Form 8857, not Form 8379.
Question 11
An unmarried taxpayer filed her 2021 Form 1040 on February 12, 2022, before the April 15, 2022 due date, and paid the balance due shown on the return. In March 2025, she discovers a deduction that would reduce her 2021 tax and files a Form 1040-X claiming a refund.
Which of the following is correct regarding the timeliness of the Form 1040-X?
- The Form 1040-X is timely if filed on or before April 15, 2025, because a return filed before its due date is treated as filed on the due date for the refund limitation period. (correct answer)
- The Form 1040-X is timely only if filed on or before February 12, 2025, because the three-year refund period begins on the date the original return was actually filed rather than its due date.
- The Form 1040-X is timely if filed on or before October 15, 2025, because the three-year refund period runs from the extended due date whenever an automatic extension would have been available.
- The Form 1040-X is timely only if filed on or before April 15, 2024, because a refund claim must be made within two years after the tax was paid, and the tax is treated as paid when the original return was filed.
Explanation: Authority: IRC § 6511(a); IRC § 6513(a). A refund claim generally must be filed within three years from the date the return was filed or two years from the date the tax was paid, whichever is later. For a return filed before the due date, § 6513(a) treats the return as filed on the due date, and tax paid with it as paid on the due date. Here the later period is three years from April 15, 2022, so the claim is timely through April 15, 2025. Choice B ignores the deemed-filed rule. Choice C uses the extended due date although none is relevant on these facts. Choice D applies only the two-year limit and ignores the later three-year period.
Question 12
Gina's husband died on February 10, 2022. She has not remarried. Her 14-year-old son, who is her qualifying child for 2025, lived with her all year in a home she maintains, and she paid more than half the cost of maintaining the home.
What filing status may Gina use for 2025?
- Qualifying surviving spouse, because she maintains a home for a dependent child and has not remarried.
- Head of household, because the qualifying surviving spouse period expired after 2024 and she has a qualifying child. (correct answer)
- Married filing jointly, because she may still file a joint return with her deceased spouse for 2025.
- Single, because more than two years have passed since her husband's death and she cannot claim head of household without a dependent parent.
Explanation: IRC § 2(a) allows qualifying surviving spouse status only for the two taxable years beginning after the year of the spouse's death. Because Gina's husband died in 2022, qualifying surviving spouse status was available for 2023 and 2024, not 2025. For 2025, she is unmarried and maintains a household for her qualifying child, so she qualifies as head of household under IRC § 2(b). Choice A ignores the two-year limit on qualifying surviving spouse status. Choice C is wrong because a joint return with a deceased spouse is for the year of death, not later years. Choice D is wrong because a dependent parent is not required for head-of-household status when there is a qualifying child.
Question 13
A couple divorced in 2017. Their divorce instrument requires the payor to pay the recipient $3,000 per month as alimony. In 2024, the instrument was modified to change the monthly amount. The modification does not state that the post-2018 alimony rules apply.
For 2025, how are the payments treated on the payor's and the recipient's federal income tax returns?
- The payor may deduct the payments as an adjustment to income, and the recipient must include them in gross income, because the instrument was executed before 2019 and the modification did not expressly elect the post-2018 rules. (correct answer)
- The payor may not deduct the payments, and the recipient need not include them in gross income, because any modification of a pre-2019 instrument after 2018 brings the payments under the post-2018 rules unless the modification expressly retains the pre-2019 treatment.
- The payor may deduct the payments, but the recipient excludes them from gross income, because support paid under a pre-2019 instrument that has been modified is treated as a non-taxable transfer if the modification changes the payment amount.
- The payor may not deduct the payments, but the recipient must include them in gross income, because a modification made after 2018 makes the payments taxable to the recipient while eliminating the payor's alimony deduction.
Explanation: Authority: IRC §§ 71 and 215 as in effect for pre-2019 instruments (see TCJA § 11051(c)); IRC § 62(a)(10). For a divorce or separation instrument executed before 2019, pre-TCJA alimony treatment continues unless a post-2018 modification expressly elects the new rules. Because the 2024 modification did not make that election, the payor deducts the payments as an adjustment to income, and the recipient includes them in gross income. Choice B reverses the transition rule by requiring an express retention of the old law. Choice C treats the payments as excludable even though the original instrument remains under the pre-2019 rules. Choice D is inconsistent: if the post-2018 rules applied, the payments would be neither deductible nor includible.
Question 14
A husband and wife, both cash-method calendar-year taxpayers, were married and filed jointly in prior years. The husband died on August 10, 2025, before the 2025 return was filed. The surviving spouse has not remarried.
Which of the following is correct regarding their 2025 federal income tax return?
- A joint return for the year of death includes the decedent's income through the date of death and the survivor's income for the entire year, and the executor must consent if one has been appointed. (correct answer)
- A joint return for the year of death may be filed only if no executor or administrator has been appointed for the decedent's estate; if one is appointed, the estate must file a separate return instead.
- A joint return for the year of death limits the surviving spouse's liability to the portion of the tax attributable to the survivor's own income, except that the estate remains liable for the decedent's share.
- A joint return for the year of death must include income received by the decedent's estate after death, because the estate is not treated as a separate taxpayer until the year following death.
Explanation: Authority: IRC § 6013(a); Treas. Reg. § 1.6013-1(d); IRC § 691. For the year of death, a joint return may be filed by the surviving spouse if he or she has not remarried before year-end; if an executor has been appointed, the executor joins in making the return. The decedent's cash-method income is reported through the date of death, and income received after death is generally income of the estate or beneficiaries, not income on the decedent's final return. The survivor reports full-year income. Choice B incorrectly requires that no executor be appointed. Choice C misstates joint and several liability; liability on a joint return is joint and several, subject to § 6015 relief. Choice D incorrectly requires post-death estate income to be included on the final return.
Question 15
Which of the following is correct regarding an injured spouse allocation on a joint federal income tax return?
- An injured spouse who files Form 8379 with a joint return can prevent the application of the joint refund to the other spouse's past-due child support, but only for the portion of the refund allocable to the injured spouse. (correct answer)
- Upon receiving Form 8379, the IRS divides the joint refund equally between the spouses before applying any offset, without regard to the spouses' separate income, withholding, estimated tax payments, or refundable credits.
- Form 8379 must be filed with the original joint return, and an injured spouse cannot request an allocation after the refund has been applied to the other spouse's past-due federal tax, child support, or student loan debt.
- A spouse qualifies as an injured spouse only if the couple is divorced or legally separated, and only for offsets arising from the other spouse's federal income tax liabilities, not from state tax, child support, or student loan debts.
Explanation: Authority: IRC § 6402(c); Form 8379 instructions. An injured spouse allocation protects the requesting spouse's share of a joint refund from offset for the other spouse's debts. The IRS allocates the refund based on the spouses' separate items and offsets only the noninjured spouse's allocated share. Choice A states the rule. Choice B misstates the allocation as an equal split. Choice C misstates the timing: Form 8379 may be filed after an offset occurs. Choice D misstates the requirements: the spouses need not be divorced or separated, and the protective allocation can apply to other debts such as child support or student loans.