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Title Tag: Estate Planning After Your Spouse Dies: What to Do in the First Year (2026) - ProbatePedia

Meta Description: The death of a spouse triggers a cascade of legal and financial deadlines — many of which have permanent consequences if missed. The federal portability election must be filed within 9 months. An AB Trust must be funded. Beneficiary designations must be updated. Here's your complete first-year guide.

Estate Planning After Your Spouse Dies: What to Do in the First Year (2026)

Last Updated: March 2026 • IRC §2010(c), §2056, Form 706• Life Events Series — Article 6 of 6 · HIGH VALUE

| ContentDeadlineContentDollar Impact If MissedContentPriority** | | --- | --- | --- | --- | | File Form 706 for portability election | 9 months from date of death; 15 months with Form 4768 automatic extension | Loss of deceased spouse's entire unused federal estate tax exemption (up to $15M); on a $20M surviving spouse estate: $2M+ in avoidable federal estate tax | CRITICAL — file regardless of whether federal estate tax is owed at first death | | Fund AB Trust / Credit Shelter Trust per deceased spouse's trust document | Per trust document — typically within 9–12 months of death | In estate-tax states (MA, NY, MN, IL, WA): unfunded AB Trust means deceased spouse's state exemption is permanently wasted; up to $480,000+ in avoidable MN estate tax; up to $320,000+ in avoidable MA estate tax | CRITICAL for residents of estate-tax states | | Elect spousal rollover for inherited IRA | Within 9 months of spouse's death (for spousal rollover election timing purposes) | If surviving spouse does not roll over to own IRA and is under 59½, distributions trigger 10% early withdrawal penalty unnecessarily | HIGH — consult financial advisor immediately | | Update beneficiary designations | Within 30–60 days | Accounts with no named beneficiary (or deceased beneficiary) pass through probate at surviving spouse's death | HIGH — time-sensitive to ensure no gap in coverage | | Revise surviving spouse's own will and trust | Within 90 days | Old plan written for two people; provisions referencing deceased spouse may produce unintended results | HIGH | | File state estate tax return if required | 9 months from date of death (most states) | Penalty and interest on late state estate tax returns; loss of any state-specific elections | HIGH for residents of estate-tax states |

Task 1 — The Federal Portability Election: The Most Urgent and Most Missed Deadline

Federal portability allows the surviving spouse to 'port' the deceased spouse's unused federal estate tax exemption — the Deceased Spousal Unused Exclusion Amount (DSUEA) — by filing Form 706 within 9 months of death (15 months with extension). The portability election is valuable even if no estate tax is owed at the first spouse's death.

| ContentDeceased Spouse's Unused ExemptionContentFederal Estate Tax at First DeathContentValue of Portability Election** | | --- | --- | --- | --- | | First spouse dies with $2M estate; second spouse has $8M | $13M unused ($15M − $2M) | $0 at first death (estate under $15M threshold) | Surviving spouse now has $15M own + $13M ported = $28M total exemption; fully shelters $8M estate; $0 federal estate tax at second death — saves $0 if estate stays under $15M; but valuable protection if estate grows | | First spouse dies with $0 estate; second spouse has $20M | $15M unused (full unused exemption) | $0 at first death | Without portability: $5M above $15M taxed at 40% = $2M federal estate tax at surviving spouse's death. With portability (using deceased spouse's full $15M): total $30M exemption; $20M estate fully covered; $0 federal estate tax. Savings: $2,000,000. | | First spouse dies — portability deadline missed | $0 — permanently lost | Depends on estate size | Deceased spouse's unused exemption is permanently and irrevocably lost; surviving spouse has only their own $15M exemption; any estate above $15M faces 40% federal estate tax with no recovery |

File Form 706 Even If No Tax Is Owed — The Portability Election Requires It:

Many families assume they do not need to file Form 706 because no federal estate tax is owed at the first spouse's death. This is the most expensive mistake in post-death estate planning. The portability election requires Form 706 to be filed — there is no other way to preserve the DSUEA. The IRS has a Revenue Procedure (Rev. Proc. 2022-32) that allows a late portability election up to 5 years after the decedent's death if no Form 706 was required (no estate tax owed). But this relief is NOT guaranteed and requires careful compliance. The safe approach: file Form 706 within 9 months regardless of estate size, to lock in portability.

Task 2 — Fund the AB Trust / Credit Shelter Trust (Estate-Tax States)

If the deceased spouse had a revocable living trust with AB Trust (Credit Shelter Trust / Bypass Trust) provisions, those provisions require action after death. Trust B — the Credit Shelter Trust — must be funded with assets up to the state estate tax exemption amount. This is not automatic: it requires the surviving spouse (or trustee) to actually transfer assets from the revocable trust into the newly-irrevocable Trust B.

| ContentState ExemptionContentAB Trust Funding RequiredContentConsequence of Not Funding** | | --- | --- | --- | --- | | Massachusetts | $2,000,000 | Fund Trust B with up to $2M of deceased spouse's estate assets | Deceased spouse's $2M MA exemption permanently wasted; surviving spouse's estate will be taxed from the first dollar above $2M with only their own exemption; on $4M combined estate: up to $320,000 avoidable MA estate tax | | Minnesota | $3,000,000 (⚠ verify) | Fund Trust B with up to $3M | Deceased spouse's $3M MN exemption permanently wasted; on $6M combined estate: up to $480,000 avoidable MN estate tax | | New York | ~$7,280,000 (⚠ verify 2026) | Fund Trust B with up to $7.28M | NY cliff effect makes unfunded AB Trust especially dangerous — full estate may be taxed from $0 if slightly above 105% of exemption | | Washington State | $2,193,000 (⚠ verify 2026) | Fund Trust B with up to $2.193M | WA 20% top rate makes this failure extremely expensive; on $4.386M combined: up to $440,000 avoidable WA estate tax | | Illinois | $4,000,000 (flat) | Fund Trust B with up to $4M | IL exemption wasted; significant IL estate tax exposure at second death |

Task 3 — IRA and Retirement Account Decisions for Surviving Spouse

| ContentSpousal OptionContentDeadline / ConsiderationContentBest Choice For** | | --- | --- | --- | --- | | IRA rollover to own IRA | Surviving spouse can roll over deceased spouse's IRA into their own IRA — treated as if it were always their own IRA | Elect rollover within 60 days of distribution; or direct trustee-to-trustee transfer at any time | Most surviving spouses; gives access to full own-IRA rules; RMDs not required until surviving spouse's own RMD age | | Treat inherited IRA as own | Surviving spouse can elect to treat the inherited IRA as their own — equivalent effect to rollover | Election can be made at any time | Same benefit as rollover; different procedural path | | Keep as inherited IRA | Surviving spouse can keep IRA as inherited IRA under the spousal exception; RMDs begin the later of when deceased would have reached RMD age or Dec 31 of year after death | Useful if surviving spouse is under 59½ — inherited IRA distributions are not subject to 10% early withdrawal penalty; own-IRA distributions before 59½ are | Surviving spouse under age 59½ who needs to take distributions without penalty |

Task 4 — Update Surviving Spouse's Own Estate Plan

A surviving spouse's existing estate plan was written for a two-person household. After a spouse's death, the surviving spouse is planning as a single person — with different asset levels, different tax exposure, and different family dynamics.

✅ Surviving Spouse Estate Plan Update — Within 90 Days

• Execute a new Will as a single person: update executor, beneficiaries, guardian nominations for minor children
• Amend or restate revocable trust: remove deceased spouse as trustee/beneficiary; update successor trustee; revise distribution provisions for single-person situation
• Update ALL beneficiary designations: retirement accounts, life insurance, bank accounts (POD), brokerage (TOD) — remove deceased spouse; name new primary and contingent beneficiaries
• Review property titles: re-title jointly-owned assets into sole name or trust; file new deeds if necessary
• Re-evaluate state estate tax exposure as a single person: without deceased spouse's exemption, your own estate may now be above the state threshold — does your new plan address this?
• Review life insurance coverage: is surviving spouse adequately insured as sole household income/support?
• Execute new Healthcare Directive and Durable Power of Attorney naming a new agent (children, sibling, trusted friend)
• Update digital asset access: passwords, accounts, cloud storage — name a new digital executor
• Review long-term care insurance: as a single person, there is no spouse to provide informal care; LTC insurance becomes more important

Tax Deadlines Summary — First Year After Spouse's Death

| ContentTaskContentFiling / FormContentConsequence of Missing** | | --- | --- | --- | --- | | 9 months from date of death (or 15 with extension) | Federal portability election (if desired) | Form 706 (even if no estate tax owed) | Permanent loss of deceased spouse's unused federal exemption (up to $15M) | | 9 months from date of death | State estate tax return (if applicable) | State-specific form (e.g., MA Form M-706, MN Form M706, NY ET-706, WA Form REV 85 0050) | Penalty and interest; loss of state QTIP election opportunity if not timely filed | | April 15 of year after death | Final federal income tax return for deceased spouse (Form 1040) | Form 1040 for deceased; surviving spouse may file jointly in year of death | Late filing penalty; interest on tax owed | | December 31 of year following death | Begin RMDs from inherited IRA (if not rolling over to own IRA) — surviving spouse has special rules | No special form — begin distributions | 10% excise tax on required minimum distribution amounts not taken | | Up to 5 years from date of death | Late portability election under Rev. Proc. 2022-32 (if no Form 706 was required at death) | Form 706 with Rev. Proc. 2022-32 statement | After 5 years, late relief no longer available — ⚠ verify current IRS guidance |

✅ Verified Data — March 2026

• Federal portability: IRC §2010(c)(5); Form 706 required — confirmed

• Portability election deadline: 9 months (15 with Form 4768 extension) — confirmed

• Late portability election: Rev. Proc. 2022-32 (up to 5 years if no 706 required) — confirmed; ⚠ verify current IRS guidance

• Federal estate tax exemption 2026: $15,000,000/person (PL 119-21) — confirmed

• Spousal IRA rollover: IRC §408(d)(3)(C) — confirmed

• Inherited IRA spousal exception to 10-year rule: IRC §401(a)(9) — confirmed; ⚠ verify current SECURE Act 2.0 spousal inherited IRA rules (PL 117-328)

• State portability: NO state has estate tax portability — confirmed

• State estate tax returns (9-month deadline): MA, MN, NY, WA, IL, OR — confirmed; ⚠ verify specific deadlines

Life Events Estate Planning Series:

LE-1 → Estate Planning After Divorce: 7 Things to Update Immediately

LE-2 → Ex-Spouse Beneficiary: What Happens to Your IRA After Divorce

LE-3 → Blended Family Estate Planning: Protecting Both Spouses and All Children

LE-4 → QTIP Trust: How to Protect Your Current Spouse and Your Children

LE-5 → Unmarried Partner Estate Planning: 6 Documents You Must Have

LE-6 → Estate Planning After Your Spouse Dies: What to Do in the First Year

probatepedia.com · /estate-planning/estate-planning-after-spouse-dies/ · LE-6 of 6 · v1.0 March 2026