Iowa Code » Chapter 633A — IOWA TRUST CODE
Iowa Code

Iowa Code § 633A.3102 (2026)

Revocation or modification

✓ current as of July 2026
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1. Unless the terms of the trust expressly provide that the trust is irrevocable, the settlor may revoke or modify the trust. This subsection does not apply to trusts created under instruments executed before July 1, 2000.

2. Except as otherwise provided by the terms of the trust, if a trust is created or funded by more than one settlor, each settlor may revoke or modify the trust as to the portion of the trust contributed by that settlor.

3. A trust that is revocable by the settlor may be revoked or modified by any of the following methods:

a. By compliance with any method specified by the terms of the trust.

b. Unless the terms of the trust expressly make the method specified exclusive, then either of the following:

(1) By a writing, other than a will, signed by the settlor and delivered to the trustee during the settlor’s lifetime.

(2) By a later will or codicil expressly referring to the trust and which makes a devise of the property that would otherwise have passed by the terms of the trust.

4. Upon termination of a revocable trust, the trustee must distribute the trust property as the settlor directs.

5. The settlor’s powers with respect to revocation or modification may be exercised by an agent under a power of attorney only if all of the following apply:

a. The trust instrument expressly authorizes an agent under a power of attorney to exercise such powers.

b. The power of attorney expressly authorizes an agent acting under the power of attorney to exercise such powers. 99 Acts, ch 125, §26, 109 C2001, §633.3102 \n Tue Dec 09 21:58:51 2025 Iowa Code 2026, Chapter 633A (54, 0) 15 IOWA TRUST CODE, §633A.3105\n\n 2005 Acts, ch 38, §54 CS2005, §633A.3102 2006 Acts, ch 1104, §4; 2012 Acts, ch 1123, §16, 32 \n

Notes of Decisions
Cited in 3 cases (2 in the last 5 years), 2019–2022 · leading case: Katina M. Little v. Keith A. Davis & Donald J. Davis, Co-Trs. of the Donald K. Davis & Collen Davis Fam. Trust (Iowa 2022).
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Katina M. Little v. Keith A. Davis & Donald J. Davis, Co-Trs. of the Donald K. Davis & Collen Davis Fam. Trust (Iowa 2022). · cites it 2× “” Iowa Code § 633A.3102(1). Thus, for an Iowa trust to be irrevocable, the trust instrument necessarily must contain terms that make it irrevocable.”
In re the Marriage of Matherly (Iowa Ct. App. 2019). “§ 633A.3102(1). Here, the language of the trust does not make it irrevocable, as Maribel reserved her right to amend, 21 revoke, or alter the trust.”
In the Matter of the Guardianship & Conservatoship of Vernon D. Radda (Iowa 2021). “§ 633A.3102; id. § 633.284. Moreover, just as will contests can only be brought after the death of the testator, challenges to revocable trusts must wait until after the settlor’s death.”
— Iowa Code § 633A.3102(1) — 2 cases
Katina M. Little v. Keith A. Davis & Donald J. Davis, Co-Trs. of the Donald K. Davis & Collen Davis Fam. Trust (Iowa 2022). “” Iowa Code § 633A.3102(1). Thus, for an Iowa trust to be irrevocable, the trust instrument necessarily must contain terms that make it irrevocable.”
In re the Marriage of Matherly (Iowa Ct. App. 2019). “§ 633A.3102(1). Here, the language of the trust does not make it irrevocable, as Maribel reserved her right to amend, 21 revoke, or alter the trust.”
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