(a) Each completed proof of claim for death of a member of a benevolent association shall be assigned a number by the association in consecutive order of receipt for each calendar year.
(b) Payment in full on final settlement of death benefits shall be made by the association to the legal heir or heirs, or the designated beneficiary or beneficiaries, within 20 days after the expiration date stated in the association's notice referred to in AS 21.72.110(a)(3).