25 CFR § 115.708
How quickly will trust funds received by the Secretary on behalf of tribes or individual Indians be deposited into a trust account?
February 24, 2021
Trust funds received by the Secretary on behalf of a tribe or individual Indians will be deposited into a trust account within twenty-four hours, or no later than the close of business on the next business day following the receipt of funds at a location with a designated federal depository.