BIA Probate Process: Trust Land, IIM Accounts, and AIPRA Estate Planning

When a tribal member who holds trust land or an Individual Indian Money (IIM) account dies, the trust-asset portion of the estate is handled through the federal Indian probate process rather than ordinary state probate. Other assets may still be handled under state law. The BIA probate process operates under federal law — specifically the American Indian Probate Reform Act (AIPRA) — and follows rules that are fundamentally different from anything a standard estate attorney would recognize.

Families often discover this system exists only after the funeral, when they start receiving notices from the BIA or the Office of Hearings and Appeals (OHA). By then, deadlines are already running.

What Triggers BIA Probate

BIA probate is triggered when the deceased owned any of the following:

• Trust land — land held in trust by the federal government for the benefit of individual tribal members or the tribe
• Restricted fee land — land owned by the individual but with federal restrictions on sale or transfer
• Individual Indian Money (IIM) accounts — accounts managed by the Department of the Interior's Bureau of Trust Funds Administration (BTFA; formerly the Office of the Special Trustee for American Indians), holding income from trust resources (oil/gas leases, timber, grazing permits, land use agreements)

If the deceased held none of these, their estate follows state probate law. But many tribal members hold at least a fractional interest in trust land without knowing it — especially when land has been inherited through multiple generations and divided into increasingly small shares.

AIPRA: The Rules That Govern

The American Indian Probate Reform Act, enacted in 2004 and amended since, completely replaced the prior hodgepodge of treaties, statutes, and administrative practices that governed Indian probate. AIPRA applies to all trust and restricted land interests of individuals who die on or after June 20, 2006.

Key AIPRA rules that affect families:

With a will: AIPRA allows a trust or restricted land interest to be devised to a lineal descendant, a co-owner of the parcel, the tribe with jurisdiction, or an Indian person. Trust personalty, including IIM funds, may be devised to any person or entity; other land devises follow separate life-estate or fee rules.

Without a will (intestate): AIPRA's default rules apply. If a surviving spouse and one or more eligible heirs survive, the spouse receives one-third of the trust personalty, including IIM funds, and a life estate in the decedent's trust or restricted land. If no such eligible heirs survive, the spouse receives the trust personalty and a life estate in the land; special rules apply to interests of less than 5% of a parcel.

The 5% rule: An intestate trust or restricted land interest representing less than 5% of the parcel is subject to a single-heir rule. If a surviving spouse was residing on the parcel, the spouse may receive a life estate; the remainder generally passes to the oldest eligible child, then grandchild, then great-grandchild, or otherwise to the tribe or co-owners. Certain less-than-5% interests may also be purchased by the Secretary during probate at fair market value. This is AIPRA's mechanism to reduce land fractionation — the problem of single parcels being split among hundreds or thousands of co-owners through successive generations.

The OHA Hearing Process

After the BIA receives notification of the death, the case is referred to the Office of Hearings and Appeals (OHA), specifically an Administrative Law Judge who specializes in Indian probate.

The process typically follows this sequence:

1. BIA notification — The local BIA agency compiles the probate package: the death certificate, a list of trust assets, IIM account statements, any will, and an inventory of potential heirs
2. OHA review — An Administrative Law Judge reviews the package and identifies all interested parties
3. Notice to heirs — All potential heirs receive formal notice of the probate proceeding and their right to participate
4. Hearing — A hearing is scheduled (often by phone for remote heirs). Heirs can contest the will, present evidence of additional assets, or dispute the heirship determination
5. Final order — The judge issues a probate order determining who inherits what. Trust land titles are updated. IIM accounts are redistributed.

The entire process can take months to years, depending on the complexity of the estate and the number of heirs. Fractionated land with dozens of co-owners creates particularly lengthy proceedings.

IIM Accounts After Death

When the account holder dies, the Bureau of Trust Funds Administration establishes an estate account. The account remains open, receiving income and earning interest, but distributions are generally withheld until the probate process is complete.

This creates real hardship for families who depended on that income. The surviving spouse may lose access to distributions of lease payments, royalties, and other trust income for the duration of the probate process.

Families can contact the Bureau of Trust Funds Administration (BTFA), which replaced the Office of the Special Trustee, to confirm account balances and ensure the BIA has been notified of the death. But distributions won't be made until the OHA judge signs off.

What Families Should Do Immediately

Notify the BIA. Contact the local BIA agency that serves the deceased's tribe. They need the death certificate and the deceased's trust enrollment information to initiate probate.

Secure documentation. Gather the Certificate of Indian Blood (CIB), Social Security card, any will or estate planning documents, and records of trust land interests. If the deceased had an IIM account, locate any statements or correspondence from the Bureau of Trust Funds Administration (or the former Office of the Special Trustee).

Check for a will. A valid will under AIPRA must be written and signed. If the deceased executed an Indian Will through the BIA's estate planning program, the BIA may already have it on file.

Consult early. The BIA provides free estate planning assistance for trust property through its Office of Indian Services. Tribal legal aid organizations can also help families understand their rights in the probate process.

Our Native American Funeral — General Guide includes a complete BIA probate checklist, IIM account notification steps, and an AIPRA summary table that explains default inheritance rules in plain language.