Who receives the interest earned on trust funds in a special deposit account?

When will the trust funds in a special deposit account be credited or paid out to the owner of the funds?

May administrative or land conveyance fees paid as federal reimbursements be deposited in a special deposit account?

May cash bonds (e.g., performance bonds, appeal bonds, etc.) be deposited into a special deposit account?

Where earnest money is paid prior to Secretarial approval of a conveyance or contract instrument involving trust assets, may the BIA deposit that earnest money into a special deposit account?