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Spousal Lifetime Access Trust (SLAT)

An irrevocable trust created by one spouse for the benefit of the other spouse, removing assets from the grantor's taxable estate while maintaining indirect access to the trust funds through the beneficiary spouse.

Vehicle Source: Billionaire Wealth Strategies Verified: 2026-04-07

What Is a Spousal Lifetime Access Trust?

A Spousal Lifetime Access Trust (SLAT) is an irrevocable trust created by one spouse (the grantor) for the primary benefit of the other spouse (the beneficiary). The grantor uses a portion of the lifetime gift tax exemption under IRC Section 2010(c) to fund the trust, removing those assets from both spouses' taxable estates under IRC Subtitle B.

Because the non-grantor spouse is a beneficiary, the couple retains indirect access to the trust's income and principal through distributions to the beneficiary spouse. The SLAT solves the fundamental tension in estate planning: how to remove assets from the taxable estate without losing access to them entirely.

As described in "Billionaire Wealth Strategies" (Jim Dew, 2024, Chapter 4), the SLAT has become one of the most widely used vehicles for locking in the current elevated lifetime exemption before the scheduled TCJA sunset. However, the SLAT's effectiveness depends on the marriage remaining intact, which represents the structure's primary risk.

How Does a Spousal Lifetime Access Trust Work?

Spouse A creates a SLAT and funds the trust with assets, using Spouse A's lifetime gift tax exemption under IRC Section 2010(c), which is $13.99 million per person in 2025 ($27.98 million for married couples). The trust names Spouse B as a beneficiary, along with children or other heirs. An independent trustee manages the trust to avoid estate inclusion under IRC Section 2036 and IRC Section 2038.

The trustee makes distributions to Spouse B according to the trust's terms, typically based on an ascertainable standard such as health, education, maintenance, and support (HEMS). Under IRC Section 2041, distributions limited to an ascertainable standard do not give the beneficiary spouse a general power of appointment, which would cause the trust assets to be included in the beneficiary spouse's estate at death.

Because the trust is irrevocable, the assets are removed from Spouse A's taxable estate. Because Spouse B can receive distributions, the couple maintains a financial safety net. All appreciation on trust assets occurs outside both spouses' estates, compounding transfer tax savings over time.

The SLAT may be structured as a grantor trust under IRC Section 675 or IRC Section 677, allowing the grantor to pay the trust's income taxes. Grantor trust treatment effectively increases the tax-free transfer to the trust beneficiaries because the tax payments do not count as additional gifts.

When both spouses want to create SLATs for each other, the trusts must differ in meaningful ways to avoid the reciprocal trust doctrine. Under United States v. Estate of Grace (395 U.S. 316, 1969), the IRS can collapse identical cross-trusts and pull the assets back into the taxable estates. Different assets, different distribution terms, different trustees, and different funding dates help establish the trusts as independent arrangements.

When Do Entrepreneurs Use a Spousal Lifetime Access Trust?

Entrepreneurs establish SLATs when they want estate tax reduction while retaining some family access to the transferred assets.

Exemption locking is the primary driver in 2025. Under TCJA Section 11061, the current elevated lifetime exemption ($13.99 million per person, $27.98 million per married couple in 2025) is scheduled to revert to approximately $7 million per person (indexed for inflation) on January 1, 2026, unless Congress extends the current levels. Under Treasury Regulation 20.2010-1, the IRS has confirmed that gifts made under the current exemption are not subject to clawback if the exemption later decreases. The SLAT allows couples to lock in the higher exemption amount before the potential reduction.

Business owner couples where one spouse transfers business interests into a SLAT gain estate tax exclusion while the other spouse retains access to distributions from the trust. The trust can hold operating business interests, investment assets, or a combination. Under IRC Section 2503(b), annual exclusion gifts of $19,000 per recipient (2025) can supplement the initial SLAT funding for ongoing contributions.

Maintaining lifestyle access addresses entrepreneurs who want estate tax reduction but are not comfortable losing all access to the transferred wealth. Because the beneficiary spouse can receive distributions under the HEMS standard, the couple's lifestyle need not be disrupted, provided the marriage remains intact.

Generational planning structures the SLAT as a dynasty trust under IRC Section 2631, with the GST exemption ($13.99 million per person in 2025) allocated to the trust. The SLAT benefits the spouse during their lifetime and then continues for children and grandchildren, potentially in perpetuity in states that have abolished the rule against perpetuities. All distributions to skip-generation beneficiaries are free of generation-skipping transfer tax.

How Does Dew Wealth Approach Spousal Lifetime Access Trusts?

The SLAT has become one of the most popular estate planning vehicles since the Tax Cuts and Jobs Act (TCJA) doubled the lifetime exemption in 2018, as discussed in "Billionaire Wealth Strategies" (Jim Dew, 2024, Chapter 4). Under TCJA Section 11061, the exemption is scheduled to sunset at the end of 2025, potentially dropping by nearly half. Entrepreneurs who have not yet used their exemption face a closing window.

The Linchpin Partner models the financial impact of funding a SLAT at various levels, factoring in the couple's liquidity needs, risk tolerance, and the probability of exemption reduction. The modeling includes projected asset growth, anticipated distributions under the HEMS standard, and the impact on the couple's after-transfer cash flow.

The primary risk of a SLAT is divorce. If the beneficiary spouse is no longer part of the family, the grantor spouse loses all indirect access to the trust assets. Under most SLAT provisions, distributions continue to the ex-spouse as a named beneficiary unless the trust document includes provisions that shift beneficiaries upon divorce. The divorce risk must be weighed carefully before funding, and couples should discuss the SLAT's implications with both the estate attorney and a family law attorney.

Additional risks include potential IRS challenge under IRC Section 2036 if the grantor retains too much control or benefit (for example, living in a home owned by the trust without paying fair market rent), and the reciprocal trust doctrine risk when both spouses create SLATs simultaneously. The Linchpin Partner coordinates the drafting to ensure adequate differentiation between cross-SLATs and proper structuring of distributions to avoid retained interest issues.

Frequently Asked Questions

What happens if we get divorced?

The grantor spouse loses indirect access to the SLAT because distributions flow to the beneficiary spouse as a named beneficiary. Divorce is the primary risk of the SLAT structure and must be weighed carefully before funding. Some trust documents include provisions that shift primary beneficiary status from the ex-spouse to children upon divorce, but these provisions must be carefully drafted to avoid gift tax consequences under IRC Subtitle B. A prenuptial or postnuptial agreement may address SLAT-related issues but cannot override the trust's irrevocable terms.

Can both spouses create a SLAT?

Both spouses can create SLATs, but the trusts must be meaningfully different to avoid the reciprocal trust doctrine established in United States v. Estate of Grace (395 U.S. 316). Different assets, different distribution terms, different trustees, and different funding timing help establish the trusts as independent arrangements. Identical cross-SLATs created on the same date with the same terms are vulnerable to IRS challenge.

What if the exemption does not decrease after 2025?

The SLAT still provides estate tax protection on all future growth of the transferred assets. Even if the exemption remains at the elevated level under IRC Section 2010(c), the appreciation inside the trust accumulates outside the taxable estate. For families with growing asset bases, the transfer tax savings compound over time. Under Treasury Regulation 20.2010-1, there is no penalty or recapture for gifts made when the exemption was high, regardless of future legislative changes.

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