Tax Elections Every Estate Professional Should Know, and When to Make Them

The Big Picture: Why Elections Matter

Estate tax elections are not optional cleanup tasks. They are binary decisions with irreversible consequences and immovable deadlines. Miss the deadline by one day, and the election disappears forever. No amended returns, no IRS relief (in most cases), no second chances.

Most elections live on three timelines: timely-filed Form 706 (the federal estate tax return), nine months from death, or fifteen months from death with extensions. A few elections operate under state law and run for much longer. Some elections require affirmative action. Others require that you explicitly decline them to avoid default election.

Why do these elections matter? Because they are the core mechanisms by which estates reduce federal and state tax liability without changing the underlying property distribution. A well-executed election can defer income taxation for years, preserve exemptions for spouses, keep family farms out of the capital gains line, and split income among beneficiaries in lower brackets. A missed election can cost tens of thousands of dollars in unnecessary tax and can force distributions that destroy the decedent's original intent.

This article walks through the seven elections that appear most often in estate settlements, their deadlines, their mechanics, and the coordination problems that arise when multiple elections intersect.

Election #1: Portability of Estate Tax Exemption

The federal estate tax exemption stood at $13.61 million per person in 2024. But that exemption dies with the first spouse unless the estate makes an affirmative election: the portability election.

Portability allows a surviving spouse to use any unused exemption from the first spouse to die. Without it, that exemption vanishes on death.

What the election does. The surviving spouse can add the first spouse's unused exemption to their own, potentially doubling the estate tax shelter to over $27 million (in 2024 dollars). For couples with estates under this combined threshold, portability often eliminates federal estate tax entirely.

The filing requirement paradox. To elect portability, the estate must file Form 706 (the federal estate tax return). Here is the paradox: many estates that stand to benefit from portability owe no federal estate tax. They do not have to file Form 706. But if they do not file, they cannot elect portability. So the estate must voluntarily file a return, at substantial cost in accounting and legal fees, even though no tax is due. The alternative is to forfeit the exemption transfer permanently.

This is why portfolios of estates typically include several "zero-tax" Form 706 returns. The tax is zero, but the election value is enormous.

Deadline and mechanics. Portability is elected on Form 706, filed within nine months of death (or 15 months with automatic extension). If the estate is below the filing threshold and chooses not to file, portability is lost.

A surviving spouse can revoke the election on an amended Form 706 (Form 706-X) within one year after the filing deadline passes. This is sometimes done if the decedent's estate and surviving spouse's estate were estimated to be large enough to incur combined estate tax, but the surviving spouse's estate later contracted through gifts or use.

Coordination with QTIP. Portability interacts in subtle ways with QTIP elections (discussed below). An executor can elect portability while also electing QTIP treatment for marital trusts, maximizing both the deduction and the exemption transfer. But the interaction requires careful calculation.

Election #2: Alternate Valuation Date

When property markets decline between death and the date the estate tax return is due, an executor can elect to value the entire estate at the later date rather than the date of death. This is the alternate valuation date election under IRC Section 2032.

What it does. Instead of valuing the estate on the date of death, the executor can elect to value it six months later (or earlier if property is sold or distributed before six months). For a declining market, this can significantly lower the estate's taxable value.

When to elect. The election makes sense when the value of the estate has fallen between death and the valuation date. If the market has risen, the election should not be made. The decision is made on Form 706 at the time the return is filed.

Requirement: all or nothing. This is critical. The executor cannot pick and choose. If the alternate valuation date is elected, the entire estate is valued at six months from death (or earlier if property is sold). Every asset gets the later date. The election is all-or-nothing. In practice, this means the election is made only when the overall estate has fallen in value.

Deadline and consequences. The alternate valuation date is elected on Form 706. There is no late-election relief. If Form 706 is not timely filed, the alternate valuation date cannot be elected. This underscores why filing deadlines are so critical.

Practical example. Decedent died on March 1, holding a portfolio of mid-cap stocks and a commercial real estate property. On March 1, the estate was worth $14 million. By September 1, due to market decline, the same property was worth $12 million. By electing the alternate valuation date, the estate's value is locked at $12 million, saving $2 million in taxable value and potentially reducing estate tax by $800,000 (at a 40% federal rate).

Election #3: IRC Section 2032A Special-Use Valuation for Agricultural Property

Special-use valuation allows farms and closely held business real property to be valued based on their use as agricultural property, not their fair market value if converted to other uses. This can result in dramatic valuations reductions for family farms.

What it does. Without special-use valuation, a 100-acre farm in a growing metropolitan area might be valued at $5 million based on its "highest and best use" as residential development. Under Section 2032A, the same farm might be valued at $800,000 based on its value for ongoing agricultural production. The estate tax savings can be enormous.

The law caps the reduction at $1,310,000 (in 2024, adjusted for inflation). So a farm worth $6 million at market value, but $1 million at agricultural use, gets a $1 million reduction (not the full $5 million difference).

Eligibility requirements. Section 2032A is restrictive. To qualify:

• The farm must have been in active agricultural use (50% of income or effort) for at least 5 of the last 8 years before death.
• The property must constitute at least 25% of the adjusted value of the entire estate.
• At least 50% of the estate's value must be in land used in active farming or forestry (other than crop acreage).
• The farm must pass to a "qualified heir" (a member of the family with a material family relationship).

The 10-year recapture problem. This is the hidden cost. If the farm is sold, rented to a non-family member, or ceases to be farmed at any point during the 10 years after the estate settles, the estate must pay back the tax savings (with interest). A family dispute, an accidental lease, or a change in financial circumstances can trigger recapture.

Filing requirement. The election is made on Form 706. All qualified heirs must sign a agreement to file Form 4506 (with the IRS) consenting to personal liability for recapture. This requirement is strictly enforced.

Deadline. The election is made on the Form 706 filed within nine months of death (or with extensions). There is no late-election relief.

Election #4: QTIP (Qualified Terminable Interest Property) Election

The QTIP election allows an executor to claim the unlimited marital deduction while keeping control of the property after the surviving spouse's death. It is one of the most sophisticated estate planning elections and one of the most commonly missed or misapplied.

What it does. Normally, property passing to a spouse qualifies for the unlimited marital deduction, but only if the spouse has complete control and ownership. A marital trust that gives the surviving spouse income for life but then passes the principal to the decedent's children would not qualify for the marital deduction because the spouse does not own the property outright.

Under the QTIP election, the executor can "out" the trust as a qualified terminable interest property. The result: the unlimited marital deduction applies (saving estate tax), but the property is still poured into the trust, giving the surviving spouse only income rights during life and then passing to the children.

Why would an executor do this? Because it solves a common estate planning conflict: the decedent wants to provide for the surviving spouse but also wants to keep control of the assets for the children. QTIP lets you have both.

The election is irrevocable. Once made, the QTIP election cannot be undone. If the executor changes their mind, it is too late.

Partial QTIP elections are allowed. If a marital trust contains multiple properties, the executor can elect QTIP treatment for some assets and not others. This flexibility allows for strategic tax planning if the estate's size or the surviving spouse's assets change between death and the Form 706 filing date.

Consequences. The downside of the QTIP election is that when the surviving spouse dies, the property is included in the surviving spouse's taxable estate at the date-of-death value. So if the decedent uses the QTIP election to defer the estate tax on a $5 million marital trust, the surviving spouse's estate will owe estate tax on that same $5 million (adjusted for appreciation or depreciation) when they die. The deduction is deferred, not eliminated.

Deadline and coordination. The QTIP election is made on Form 706, filed within nine months of death. If the surviving spouse remarries, the new spouse becomes the "income beneficiary," and the election can have unexpected consequences. If the surviving spouse predeceases the beneficiary who is entitled to the remainder (usually the decedent's children), the property passes to the remainder beneficiary's estate, compounding the inclusion.

Election #5: IRC Section 645 Fiscal Year Election

The Section 645 fiscal year election is one of the most underutilized tools in estate tax planning. It allows an estate and beneficiaries to elect a fiscal year (any 12-month period ending on the last day of any month) for income tax purposes. This can split income across two tax years, dramatically lowering the marginal rate on the beneficiaries' side.

What it does. Normally, an estate files on a calendar-year basis. All income earned during the year is reported on one tax return. If the decedent died on March 15, the estate might receive $100,000 in distributable net income during the remainder of that calendar year. That income all gets taxed in one year, often pushing beneficiaries into a much higher bracket.

With a Section 645 election, the executor can choose a fiscal year ending on June 30, September 30, or any other date. The income is then split between two tax years. Some income is reported on the final return for the year of death, and the rest is reported on the first return for the fiscal year. This can cut the beneficiaries' marginal rate in half.

Timing and mechanics. The Section 645 election must be made by the later of the estate's filing deadline (typically April 15 of the following year) or 65 days after the decedent's death. The election is made on the first Form 1041 (estate income tax return) filed by the estate. Once filed, the fiscal year is locked in.

The election requires coordination with the decedent's final Form 1040 (for the partial year before death) and with each beneficiary's Form 1040. If a beneficiary is in a lower bracket, the split can save thousands in tax. If a beneficiary is in a higher bracket, the split might not be beneficial.

IRS coordination. The executor, the CPA, and the estate's tax counsel need to work together on this election. The CPA will run projections to determine whether a fiscal year election makes sense. If the estate is small and the income is modest, the savings might not justify the additional bookkeeping. If the estate is large and has substantial income, the election can be valuable.

Deadline. Unlike most estate tax elections, the Section 645 election is an income tax election, not an estate tax election. It must be made on the Form 1041 income tax return within 65 days of death. No late elections are permitted. If the executor misses the window, the option is lost.

Election #6: Surviving Spouse's Elective Share

In some states, if the decedent's will or trust leaves the surviving spouse less than the law allows, the surviving spouse has the right to "elect against" the will and claim a statutory share of the estate. This is called the elective share (or, in older usage, the widow's election).

The elective share is a state-law right, not a federal election. The mechanics and deadlines vary from state to state. In some states (like Florida), the spouse has six months from the admission of the will to probate. In others (like New York), the spouse has a longer window. In some states with community property laws, the elective share concept does not apply in the same way.

When the election matters. The election matters in two contexts:

1. Marriage was very short, and the decedent wanted to limit the survivor's share.
2. The decedent made a prior marriage and left assets primarily to a second spouse, creating conflict with adult children from the first marriage.

In these cases, the surviving spouse (or the surviving spouse's attorney) must act quickly to preserve the election right.

Coordination with estate planning. If the decedent's estate plan included a bypass trust or other tax-optimized structure, the surviving spouse's election can trigger a recomputation of the federal exemption allocation and the QTIP election. The two processes need to be coordinated.

Election #7: QDOT Election for Non-Citizen Spouses

If the surviving spouse is not a U.S. citizen, the marital deduction is not available unless the property passes to a Qualified Domestic Trust (QDOT). This election is mandatory if the executor wants any portion of the estate to receive marital-deduction treatment.

What it does. The marital deduction allows property to pass to a spouse free of estate tax. But Congress was concerned that a non-citizen spouse might leave the United States and take the property out of the U.S. tax system entirely. So the statute restricts the marital deduction to U.S. citizen spouses, unless the property is held in a QDOT.

A QDOT is a trust that must:

• Have a U.S. trustee (or co-trustee who is a U.S. corporation).
• Require trustee certification of the distribution amount.
• Retain enough assets in the U.S. to secure payment of any estate tax.
• Prohibit distributions of principal before payment of estate tax.

Requirements. The surviving spouse may be a non-U.S. citizen, but at least one trustee must be a U.S. citizen or a U.S. corporation. The trustee's job is to monitor distributions and ensure the trust complies with QDOT restrictions.

The election. The QDOT election is made on Form 706. The trustee must sign the return consenting to QDOT status. This is often overlooked, and the failure to have the trustee sign can result in loss of the election.

Deadlines and extensions. The QDOT election is made on Form 706, due within nine months of death (or 15 months with extension). The election can be revoked if both the surviving spouse and the executor consent in writing within one year after the Form 706 filing deadline passes.

State law complication. Some states do not recognize QDOTs under state law. The executor may need to draft QDOT language into the marital trust or create a separate QDOT. This coordination between federal and state law is essential.

The Coordination Problem: When Multiple Elections Interact

The real complexity emerges when the executor must make multiple elections simultaneously and the elections interact.

Portability plus QTIP. Here is a common scenario: The decedent died with a $10 million estate, with a marital trust of $6 million and a bypass trust of $4 million. The surviving spouse is wealthy and does not need the marital trust income. The executor wants to (1) elect portability to give the surviving spouse an extra $10 million exemption, and (2) elect QTIP treatment for the marital trust to keep the assets in the family line.

These two elections work together. The QTIP election gives the marital deduction on the $6 million, and the portability election transfers the unused $4 million exemption from the decedent (since the marital deduction already sheltered $6 million). The executor must calculate the exact allocation to maximize the benefit.

If the surviving spouse later remarries, the QTIP election can create unintended consequences. The new spouse becomes the "income beneficiary" under the QTIP rules, and the trust assets must be included in the new spouse's estate when they die. This can surprise the decedent's children, who expected the trust assets to pass to them.

Section 2032A plus QTIP. If the decedent owned a farm and used a marital trust for the surviving spouse, the executor might want to elect both Section 2032A special-use valuation (to reduce the farm's value in the estate) and QTIP treatment (to get the marital deduction while keeping control for the children).

The interaction is as follows: If special-use valuation is elected, the farm is valued at agricultural use (lower value). The QTIP election applies to the property as valued. The surviving spouse gets the income from the farm during life, and the farm passes to the children after the surviving spouse's death. But the children inherit a farm that is subject to the 10-year recapture rule. If the farm is sold during the 10-year period, the recapture tax is due. This is often a surprise to the children, who thought they inherited a farm free and clear.

Fiscal-year election plus income distribution. The Section 645 fiscal-year election affects not only the estate's tax return but also each beneficiary's Form 1040. If the estate receives $100,000 of income and the beneficiary's distributive share is $50,000, the fiscal-year election determines which tax year the $50,000 appears on the beneficiary's return.

If the beneficiary is in the 35% bracket and the fiscal-year election can push the income into a lower-bracket year, the savings can be substantial. But if the beneficiary is in a lower bracket in the current year and a higher bracket next year, the fiscal-year election can hurt. The CPA must run projections for each beneficiary.

Multi-year coordination. Some elections need to be revisited in later years. For example, if the decedent's estate is subject to the Section 645 fiscal-year election, the estate remains in existence for multiple years (one calendar year and one full fiscal year, plus possibly a year or two of collection and distribution). Each year, the executor must file Form 1041, compute the distributable net income, allocate income to beneficiaries, and ensure that the beneficiaries receive Schedule K-1s showing their income allocations.

If a beneficiary dies, moves to a higher-income state, or experiences a major change in income, the assumptions underlying the fiscal-year election might change. But it is too late to unmake the election.

Amendment and Correction Procedures

What happens if an election is missed or made incorrectly?

Late elections and IRS relief. The IRS has limited authority to grant relief for late elections under Treas. Reg. Section 301.9100. For Section 9100 relief to apply, the taxpayer must show (1) reasonable cause for the failure to file, and (2) that the statute of limitations for assessment has not expired (typically three years, or six years if underreporting is substantial).

Courts have read these requirements strictly. A simple oversight or miscalculation does not always qualify for relief. A house fire that destroyed the tax files might qualify. A misunderstanding of the law, standing alone, typically does not.

Private Letter Rulings. If the executor needs relief for a missed election, one option is to file a Private Letter Ruling request with the IRS. The executor sets out the facts, explains why the election was missed, and requests that the IRS grant relief. The PLR process typically costs $5,000 to $15,000 in professional fees and takes 6 to 12 months. The request must be filed before the statute of limitations expires.

Tax planning changes and amended returns. If an election was made correctly but later circumstances change the tax picture, the executor can file an amended Form 706 (Form 706-X) or an amended Form 1041 (Form 1041-X). Amendments are allowed within the statute of limitations (three years, or six years for substantial underreporting).

An example: The decedent died, and the executor filed Form 706 electing the alternate valuation date because the estate had declined in value. Two years later, one of the beneficiaries inherited additional property, causing their taxable estate to exceed the exemption. The beneficiary's attorney recommends that the decedent's estate now be valued on the date-of-death (higher value) so that the decedent's exemption is available for use by other beneficiaries. The executor amends Form 706 to revoke the alternate valuation date election. The amended return increases the decedent's taxable estate (triggering more estate tax) but unlocks the exemption for other family members to use.

This kind of multi-generational planning is complex but common in high-net-worth families.

Practical Checklist for Estate Professionals

Use this checklist as a starting point. Customize for your jurisdiction and your engagement scope.

Within 30 days of death:

• Collect the decedent's most recent tax return, estate plan, and asset statements.
• Identify whether Form 706 is required (estate > exemption limit).
• Determine whether a voluntary Form 706 is advisable (for portability).
• Assess whether the decedent's assets include farms or closely held business (Section 2032A candidates).
• Identify the surviving spouse's citizenship (QDOT question).
• Review the marital deduction structure (QTIP candidates).

By 60 days after death:

• Meet with the CPA to determine whether a Section 645 fiscal-year election is beneficial.
• Gather information on the market value of all assets as of the date of death.
• Assess whether the market has moved since death (alternate valuation date question).
• Check state law on elective share deadlines.
• Confirm the list of non-citizen spouses or non-U.S. beneficiaries (QDOT, QDOT, and other foreign-trust considerations).

By 120 days after death:

• File Form 706 if required.
• Make initial elections (Section 645 fiscal year, if beneficial).
• Notify beneficiaries of elections and deadlines.

By 270 days after death:

• File Form 706 (or request extension).
• Make all remaining elections (portability, QTIP, alternate valuation, QDOT, Section 2032A).

By 9 months (or 15 months with extension):

• Ensure Form 706 is filed with all required elections.
• Obtain confirmation of the election from the IRS.

Year 2 and beyond:

• File Form 1041 with proper income allocations.
• Monitor Section 2032A recapture (if elected).
• Revisit fiscal-year election results to confirm tax savings.
• Amend elections if circumstances have changed and the statute of limitations has not expired.

FAQ

Q: Can I make an estate tax election after Form 706 is filed?

A: It depends on the election. Most elections (portability, QTIP, alternate valuation, Section 2032A, QDOT) are made on the original or amended Form 706 and cannot be elected late unless the IRS grants relief under Section 9100. The Section 645 fiscal-year election is different; it is made on the Form 1041 income tax return and must be made within 65 days of death, not on Form 706.

Q: If I elect QTIP, does the surviving spouse get to control the property?

A: No. The QTIP election is designed to give the surviving spouse income but not control. The surviving spouse receives all income from the trust during life (which is required for QTIP treatment). But the surviving spouse does not have the power to appoint the principal to themselves or their heirs. Upon the surviving spouse's death, the property passes as the decedent directed, usually to the decedent's children.

Q: What happens if I elect Section 2032A but the farm is sold within 10 years?

A: The "recapture" provision requires the estate to pay back the estate tax savings, with interest. The recapture applies if the property is converted to non-qualified use or transferred out of the family. An accidental lease to a non-family member, or a forced sale due to debt, can trigger recapture. The 10-year period runs from the decedent's death, not from the filing of Form 706.

Q: Do I have to file Form 706 if my estate is below the exemption limit?

A: No, unless you want to elect portability. If the estate is below the exemption and the executor does not want to preserve the unused exemption for the surviving spouse, Form 706 is not required. But the voluntary filing has become routine because the cost of Form 706 preparation is often much less than the tax savings from portability.

How Afterpath Helps

Managing seven simultaneous elections, tracking nine-month and 65-day deadlines, and coordinating multiple tax professionals is a logistics and compliance nightmare. Afterpath Pro was built to solve exactly this problem.

Afterpath centralizes all estate elections in one timeline, flags deadline risks before they occur, and provides templates for coordinating with CPAs and estate attorneys. You can document each election decision, track its status, and pull an audit trail of who approved what and when.

For estate professionals managing portfolios of estates with complex tax structures, Afterpath Pro saves dozens of hours per engagement and eliminates the risk of a missed deadline.

Explore Afterpath Pro to see how your firm can manage estate tax elections without the spreadsheets and email threads.

Not yet a user? Join the waitlist for early access and a guided walkthrough of how Afterpath handles your most complex estates.