An Individual Indian Money (IIM) account is an interest-bearing account the federal government holds in trust for an individual American Indian or Alaska Native, managed by the Bureau of Trust Funds Administration (BTFA) within the U.S. Department of the Interior. The money in it typically comes from the owner’s trust assets — income from leases, grazing permits, timber sales, or mineral production on trust land — and, per the Department of the Interior, funds held more than one day are invested and earn interest.
The administering agency is worth naming precisely, because it has changed: BTFA took over the trust-funds mission previously carried out by the Office of the Special Trustee for American Indians. It manages billions of dollars on behalf of tribal nations and individuals, and IIM account holders can reach beneficiary services in person at field offices or through the Trust Beneficiary Call Center at 888-678-6836, per DOI’s IIM account pages.
The facts that matter for planning
- It is trust money, not bank money. An IIM account has no payable-on-death designation the way a commercial account might. At death, its funds move only through the federal Indian probate process: the BIA prepares the probate package, the Office of Hearings and Appeals issues the decision, and BTFA distributes the funds to the heirs or devisees that decision names.
- It travels with the trust estate. IIM funds and trust land follow the American Indian Probate Reform Act’s rules — a different track from everything else a person owns. Our companion page explains how AIPRA affects who inherits trust land.
- Life insurance is the contrast case. A policy’s death benefit is paid by the carrier directly to the named beneficiary — outside both state probate and the federal trust process — which is why life insurance does not go through probate on trust land, and why families whose estates include an IIM account often treat the beneficiary form as the fastest-moving piece of their plan.
Questions about a specific IIM account belong with BTFA directly; questions about how trust assets fit an estate plan belong with an attorney experienced in federal Indian law. This page is general education, not legal or financial advice. The wider picture — trust land, veterans coverage, annuities, and final-expense planning — is in our guide to life insurance and annuities for American Indian families in South Dakota.