Spousal Lifetime Access Trusts, often called SLATs, are among the most powerful estate planning strategies available to married couples with significant wealth. When properly designed, a SLAT allows one spouse to use their 15 million dollar federal estate and gift tax exemption, indexed for inflation, to transfer appreciating assets out of their taxable estate while still preserving indirect access to those assets through the beneficiary spouse. However, when both spouses create trusts for each other, the plan must be carefully structured to avoid the reciprocal trust doctrine, a judicial rule that can unwind poorly designed trusts and cause estate inclusion of the transferred assets.
SLAT planning is typically appropriate for married couples whose combined estate may exceed five million, ten million, or more, particularly where there is a closely held business, significant real estate holdings, or concentrated investment accounts that are expected to appreciate substantially over time. The goal is not simply tax savings, but long term wealth preservation across generations.
How a Spousal Lifetime Access Trust Works
When I meet with married clients in Franklin, Brentwood, Spring Hill, Nolensville, or elsewhere in Williamson County, Tennessee, the conversation usually begins with one core question: how do we remove appreciating assets from the taxable estate while still providing some flexibility in the plan?
A Spousal Lifetime Access Trust accomplishes that objective by allowing one spouse, referred to as the donor spouse, to make a completed gift to an irrevocable trust for the benefit of the other spouse and often children or descendants. The donor spouse uses their federal estate and gift tax exemption to fund the trust. From that point forward, the transferred assets and all future appreciation occur outside of the donor spouse’s taxable estate.
At the same time, the beneficiary spouse may receive discretionary distributions from the trust under a defined standard. As long as the marriage remains intact, this structure creates a practical access point to the transferred wealth without causing estate inclusion under Internal Revenue Code Sections 2036 or 2038.
Because of this balance between wealth transfer and access, many married couples ask whether each spouse should create a trust for the other. That is where the reciprocal trust doctrine becomes critical.
What Is the Reciprocal Trust Doctrine?
The reciprocal trust doctrine is a judicial principle that allows the government to look beyond the formal structure of two trusts and focus instead on their economic substance. The leading case is United States v. Estate of Grace, a United States Supreme Court decision from 1969 that established the modern framework for analyzing when two trusts may be treated as reciprocal.
In simple terms, if two spouses create trusts for each other that are so similar and so closely connected that each spouse ends up in essentially the same financial position as if they had created a trust for themselves, the government may disregard the structure and treat each spouse as the true grantor of the trust from which they benefit.
When that happens, the assets in the trust may be included in the taxable estate under Internal Revenue Code provisions such as Section 2036 or Section 2038. The result is the exact opposite of what the couple intended.
The risk increases when both trusts are created at the same time, funded with similar assets of similar value, contain nearly identical distribution standards, use the same trustees, and grant similar powers of appointment or control. When the trusts look like mirror images of each other, it becomes easier for the government to argue that they are interrelated and should be uncrossed.
For that reason, thoughtful design and meaningful differences between the trusts are essential when both spouses want to use their exemptions through separate SLAT structures.
Can Both Spouses Create a Spousal Lifetime Access Trust?
Yes, both spouses can create a Spousal Lifetime Access Trust. In fact, using both federal estate and gift tax exemptions can be a powerful long term wealth transfer strategy for married couples with significant assets.
However, the trusts cannot simply be copies of each other. If both spouses create substantially identical trusts at the same time, with similar assets, similar trustees, and similar distribution standards, the structure may trigger the reciprocal trust doctrine. In that situation, the government may argue that each spouse is effectively benefiting from a trust they funded themselves.
The goal is not to avoid having two trusts. The goal is to ensure that each trust stands on its own, with meaningful structural and economic differences. When properly designed, two SLATs can allow a married couple to shift substantial wealth out of their taxable estates while preserving flexibility and maintaining compliance with federal estate tax rules. The key is thoughtful drafting and intentional timing.
How We Design Two SLATs to Avoid the Reciprocal Trust Doctrine
When both spouses want to use their federal estate and gift tax exemptions through separate Spousal Lifetime Access Trust structures, the focus shifts from simply creating two trusts to designing two independent planning strategies.
The objective is not to make the trusts look different for cosmetic reasons. Rather, the objective is to ensure that each trust has its own economic substance, planning rationale, and structural features so that it does not resemble a mirror image of the other.
Timing is one of the most important factors. Creating and funding both trusts on the same day increases risk. In many cases, one SLAT is established and funded first, while the second trust is created later in connection with a separate planning objective, liquidity event, or business valuation.
Beneficiary design also matters. One trust may give the beneficiary spouse broader discretionary access, while the second trust may emphasize children or future generations more heavily. Distribution standards, ages for descendants, and long term control provisions can differ in meaningful ways.
Trustee structure is another critical design element. Using different independent trustees, or at least different trustee powers and removal provisions, helps reinforce that the trusts are not operating in the same manner. Limited powers of appointment, trust protector provisions, and replacement mechanisms may also vary between the two structures.
Funding decisions are equally important. Rather than contributing identical assets of similar value, each trust is often funded with different asset classes or different ownership interests. For example, one SLAT may hold closely held business interests, while the other holds marketable securities or real estate. These distinctions strengthen the economic differences between the trusts.
When these elements are intentionally varied, each Spousal Lifetime Access Trust stands on its own. That careful design reduces the likelihood that the reciprocal trust doctrine would apply.
Advantages of a Spousal Lifetime Access Trust
A properly structured Spousal Lifetime Access Trust can provide significant long term planning advantages for married couples with meaningful assets. The benefit is not limited to reducing estate tax exposure. It is also about shifting future growth, preserving flexibility, and creating durable wealth structures for future generations.
Estate Tax Reduction and Appreciation Shifting
When a donor spouse funds a SLAT, the transfer is treated as a completed gift for federal estate and gift tax purposes. The value of the transferred assets is removed from the donor spouse’s taxable estate. More importantly, all future appreciation on those assets also occurs outside of the taxable estate.
For families with closely held business interests, investment real estate, or concentrated securities positions, the long term impact of moving appreciating assets outside the estate can be substantial. Over time, this can meaningfully reduce the size of the taxable estate and preserve more wealth for children and grandchildren.
Efficient Use of Both Spouses’ Exemptions
Each spouse currently has a 15 million dollar federal estate and gift tax exemption, indexed for inflation. When structured properly, a married couple may be able to use both exemptions through coordinated SLAT planning.
Rather than waiting to rely solely on portability at the death of the first spouse, proactive planning during lifetime allows each spouse to intentionally allocate their exemption in a structured and controlled manner.
Continued Access Through the Beneficiary Spouse
One of the most attractive features of a Spousal Lifetime Access Trust is that it allows indirect access to transferred assets. While the donor spouse no longer directly owns the property, the beneficiary spouse may receive discretionary distributions for health, education, maintenance, and support, or under broader standards depending on the drafting.
As long as the marriage remains intact, the couple retains a practical, indirect access point to the trust assets if circumstances change.
Asset Protection and Long Term Family Governance
Assets held in a properly drafted SLAT may receive a degree of creditor protection, both for the beneficiary spouse and for descendants who later benefit from the trust. In addition, the trust can include provisions that control how and when children receive distributions, helping to protect inherited wealth from divorce, creditor claims, or imprudent spending.
This multigenerational structure allows families to move beyond simple tax reduction and toward intentional long term wealth stewardship.
Risks and Trade Offs of Spousal Lifetime Access Trust Planning
While a Spousal Lifetime Access Trust can be a powerful planning tool, it is not appropriate for every married couple. The structure involves permanent transfers, ongoing administration, and reliance on the marital relationship. Understanding these trade offs is essential before moving forward.
Irrevocability and Loss of Direct Control
A SLAT is an irrevocable trust. Once the donor spouse funds the trust, the transfer is complete. The donor cannot simply change their mind and reclaim the assets. Although the beneficiary spouse may receive distributions, the donor spouse has surrendered legal ownership and direct control.
For this reason, careful cash flow modeling and asset selection are critical before funding a SLAT. The trust should not be funded with assets the couple may need for near term liquidity.
Dependence on the Marriage
Indirect access to the trust exists only through the beneficiary spouse. If the spouses divorce, the donor spouse generally loses that access point. Similarly, if the beneficiary spouse dies before the donor spouse, the practical access to trust assets may be reduced or eliminated depending on the drafting.
This dynamic does not mean a SLAT is inappropriate. It does mean that the couple must be comfortable with the relationship risk inherent in the structure.
Administrative Complexity and Ongoing Oversight
Two properly structured Spousal Lifetime Access Trusts require careful coordination. Separate accounting, separate trustees, and independent administration help reinforce that the trusts are not reciprocal. Gift tax reporting must be handled correctly, and income tax reporting must reflect the grantor trust rules.
In many cases, coordination with the client’s CPA is essential to ensure compliance and ongoing tax efficiency. A SLAT is not a set it and forget it strategy. It requires thoughtful oversight.
Income Tax Considerations
Most SLATs are structured as grantor trusts for income tax purposes. This means the donor spouse may continue to pay income tax on trust earnings, even though the assets are outside the taxable estate. In many cases this is viewed as an additional estate reduction strategy, since the donor is effectively paying tax on behalf of the trust without making additional taxable gifts.
However, the income tax impact must be evaluated carefully, particularly if the trust generates significant annual income.
Frequently Asked Questions About Spousal Lifetime Access Trusts
What is a Spousal Lifetime Access Trust?
A Spousal Lifetime Access Trust is an irrevocable trust created by one spouse for the benefit of the other spouse, often with children or descendants as additional beneficiaries. The donor spouse uses their federal estate and gift tax exemption to fund the trust, removing the transferred assets and future appreciation from their taxable estate. At the same time, the beneficiary spouse may receive discretionary distributions, creating indirect access to the assets.
Can both spouses create a SLAT?
Yes, both spouses can create a Spousal Lifetime Access Trust. However, the trusts must be designed carefully to avoid the reciprocal trust doctrine. If the trusts are substantially identical and created in close coordination, the government may treat each spouse as benefiting from a trust they effectively created for themselves. Proper timing, funding differences, and structural variations are essential.
What assets are typically used to fund a SLAT?
Common assets used to fund a SLAT include closely held business interests, limited liability company interests, investment real estate, marketable securities, and other appreciating assets. The selection of assets depends on liquidity needs, projected growth, and long term planning goals. Assets expected to appreciate significantly often provide the greatest estate tax benefit when transferred.
Does a SLAT provide asset protection?
Yes, a properly drafted Spousal Lifetime Access Trust can provide a degree of creditor protection, particularly for assets held for descendants. The level of protection depends on state law and the specific structure and language of the trust. Asset protection is often a secondary benefit to estate tax planning, but it can be an important consideration for families with business or professional liability exposure.
What happens if the spouses divorce?
If the spouses divorce, the donor spouse generally loses indirect access to the trust assets unless the trust document includes specific provisions addressing that risk. Divorce risk should be discussed openly during the planning process, particularly when substantial assets are involved.
What happens if the beneficiary spouse dies first?
If the beneficiary spouse dies before the donor spouse, access to trust assets may be reduced or eliminated depending on how the trust was drafted. Some structures incorporate limited powers of appointment or other flexibility mechanisms to address this possibility.
Is a SLAT better than relying on portability?
Portability allows a surviving spouse to use a deceased spouse’s unused estate tax exemption. However, portability does not remove post death appreciation from the estate and does not provide the same level of asset protection or control over multigenerational distributions. A Spousal Lifetime Access Trust is a proactive strategy that shifts growth outside the estate during lifetime rather than relying solely on post death planning.
Is a Spousal Lifetime Access Trust Right for Your Family?
A Spousal Lifetime Access Trust is not a basic estate planning tool. It is a sophisticated strategy designed for married couples with substantial assets, long term growth potential, and a desire to intentionally structure wealth across generations.
Families who may benefit from SLAT planning often include business owners, real estate investors, executives with concentrated equity positions, and couples whose net worth is expected to exceed the available federal estate tax exemption over time. Even when an estate is currently below the 15 million dollar exemption threshold per spouse, projected appreciation can change that calculation quickly.
The decision to implement one or two Spousal Lifetime Access Trusts requires thoughtful analysis of cash flow, asset selection, income tax consequences, marital stability, and long term family goals. It is not simply a matter of drafting a trust document. Proper implementation involves coordination with valuation professionals and the client’s CPA to ensure accurate reporting and ongoing compliance.
For married couples in Franklin, Brentwood, Spring Hill, Nolensville, and throughout Williamson County and Middle Tennessee, SLAT planning can be a powerful component of a comprehensive taxable estate strategy when structured correctly. The key is not whether a SLAT can be created. The key is whether it should be created in light of your specific assets, family dynamics, and long term objectives.
Schedule a Consultation to Evaluate SLAT Planning
Designing a Spousal Lifetime Access Trust requires more than simply drafting an irrevocable trust agreement. It requires careful analysis of your balance sheet, projected asset growth, income tax exposure, and long term family objectives. When two trusts are involved, the structural differences must be intentional and defensible.
For married couples in Franklin, Brentwood, Spring Hill, Nolensville, and throughout Williamson County and Middle Tennessee, SLAT planning can be an effective strategy for shifting appreciating assets outside the taxable estate while preserving flexibility within the marital relationship.
If your estate includes closely held business interests, investment real estate, or significant marketable securities, it may be appropriate to evaluate whether a Spousal Lifetime Access Trust should be part of your broader estate planning strategy.
To discuss whether SLAT planning aligns with your goals, schedule a confidential consultation with our office. We work closely with clients and their CPAs to design estate plans that are technically sound, tax efficient, and structured for long term success.
About the Author
Thomas Steelman is an attorney at Crow Estate Planning and Probate, PLC. Previously, he worked at a prominent estate planning firm in Annapolis, Maryland, bringing a wealth of knowledge in trust planning to assist clients with succession and tax planning. He graduated from Syracuse University with a Bachelor of Arts in Political Science, and a Bachelor of Arts in Writing and Literature Studies. He later went on to complete his Juris Doctorate from the University of Miami School of Law. Thomas assists our estate planning and business planning clients in the greater Nashville and Franklin communities. Learn More.
Licensed in Tennessee