If the money in the fund is insufficient to satisfy a claim ordered to be paid under Section 31A-41-303, when sufficient money is in the fund, the department shall pay a person with an unpaid claim:
(1) in the order that petitions related to unpaid claims are originally served on the department; and
(2) an amount equal to the sum of:
(a) the unpaid claim; and
(b) interest on the unpaid claim at a rate of 5% per annum from the date the court orders payment from the fund until the day on which the claim is paid.