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A.R.S. § 14-10417

Combining or Dividing Trusts in Arizona

Verified April 4, 2026 • 57th Legislature, 1st Regular Session

Arizona law allows a trustee to merge two or more trusts into one, or split a single trust into separate trusts, as long as the change does not harm any beneficiary or undermine the trust's purposes. Unless the trust document says otherwise, the trustee must provide notice to qualified beneficiaries before making the change.

Title 14, ARIZONA TRUST CODE

azleg.gov

When Consolidating Trusts Makes Sense

Families often end up with multiple trusts over time. A married couple might each have a separate trust. A parent might create new trusts for different purposes. When those trusts serve similar goals or hold similar assets, managing them separately can mean duplicated fees, redundant tax filings, and unnecessary complexity.

Unless the trust instrument provides that notice is not required, after notice to the qualified beneficiaries, a trustee may combine two or more trusts into a single trust or divide a trust into two or more separate trusts, if the result does not impair rights of any beneficiary or adversely affect achievement of the purposes of the trust.

A.R.S. § 14-10417

This statute gives the trustee flexibility to consolidate or restructure without going to court. The trustee simply needs to notify the qualified beneficiaries and confirm that the combination or division does not impair anyone's rights or undermine the trust's original purposes.

Dividing a Trust for Better Administration

Splitting a trust can be equally practical. A trust with multiple beneficiaries who have different needs or timelines might work better as separate trusts. Division can also serve tax planning purposes, allowing each resulting trust to take advantage of different exemptions or rates.

The key safeguard in both directions is the same: no beneficiary can be worse off after the change. If a combination would dilute one beneficiary's interest, or if a division would shift costs unfairly, the trustee cannot proceed. This protects beneficiaries while still giving trustees a practical tool to streamline administration.

Unless the trust instrument provides that notice is not required, after notice to the qualified beneficiaries, a trustee may combine two or more trusts into a single trust or divide a trust into two or more separate trusts, if the result does not impair rights of any beneficiary or adversely affect achievement of the purposes of the trust.
View on azleg.gov

This page provides general legal information about Arizona statutes and is not legal advice. For guidance on how this law applies to your situation, speak with a qualified attorney.

Related Questions

What does a trustee actually do?

A trustee manages trust assets according to the rules the trust creator set. While you are alive, you are typically both trustor and trustee. After you pass, your successor trustee distributes assets as instructed.

What is a Revocable Living Trust and how does it work?

A Revocable Living Trust lets you transfer asset ownership into a trust you control during your lifetime. When you pass, a successor trustee distributes assets to beneficiaries without probate.

How do I choose the right trustee for my estate?

Choose a trustee based on competence, not convenience. Avoid naming all children as co-trustees, which creates gridlock. Pick your most capable child as primary and name a backup.

Related Statutes

§ 14-10418Updating a Trustee or Beneficiary Name Change in a Trust
§ 14-10416Modifying a Trust to Meet the Settlor's Tax Goals
§ 14-10101The Arizona Trust Code: Short Title and What It Covers

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