
The QTIP trust solves a specific problem that comes up often in blended family estate planning: how do you take care of a surviving spouse without giving them control over assets you intend for your children?
How a QTIP trust works
When you die, your assets transfer into the QTIP trust rather than passing directly to your surviving spouse. The trust then operates according to its terms, which you set while you are alive.
During the surviving spouse's lifetime, they receive all income generated by the trust, typically interest, dividends, and rents, on at least an annual basis. Depending on the terms you set, they may also receive principal distributions under specified conditions, such as for health, education, maintenance, or support.
When the surviving spouse dies, the remaining assets in the trust pass to the beneficiaries you named, most commonly your children from a prior relationship. Your surviving spouse has no authority to change who those beneficiaries are. They cannot redirect the assets to a new spouse, their own children, or anyone else. The final distribution is locked in by the trust document you executed.
The federal estate tax benefit
Beyond the blended family protection, QTIP trusts have a federal estate tax advantage. Assets transferred to a QTIP trust qualify for the unlimited marital deduction, meaning they are not subject to federal estate tax when you die. Federal estate tax applies only when the surviving spouse dies and the trust assets pass to your children.
New Mexico does not have a state estate tax, so this benefit is primarily relevant to New Mexico estates large enough to approach the federal estate tax exemption threshold, which is subject to change by Congress. For estates of that size, the QTIP structure is often a meaningful planning tool beyond its blended family function.
How a QTIP trust differs from leaving assets outright
When you leave assets outright to a surviving spouse, those assets belong to them completely. They can spend them, give them away, or leave them to anyone in their own estate plan. A QTIP trust does not transfer ownership to the surviving spouse. It gives them use and income during their lifetime, with the principal protected for your chosen remainder beneficiaries.
This distinction is the reason QTIP trusts are a standard recommendation in blended family estate planning in New Mexico. They thread the needle between providing for a surviving spouse, which most people want to do, and protecting children from a prior relationship, which requires that the surviving spouse not have unlimited control over the assets.
Trustee selection matters
A QTIP trust requires a trustee to manage the assets, make income distributions, and handle investment decisions. The trustee must follow the trust's terms and act in the interests of both the income beneficiary (the surviving spouse) and the remainder beneficiaries (your children). Choosing the right trustee, whether a trusted family member, a professional fiduciary, or a corporate trustee, is an important part of setting up a QTIP trust that functions well over time.