19-18-607. Payment of death benefits in absence of spouse or child. If a firefighter dies without leaving a surviving spouse or child, the association shall compute the total contributions made to the fund by the deceased member, and if the deceased member designated a beneficiary in writing to the association, the association shall issue a warrant for the amount of the total contributions payable to that beneficiary. If the deceased member did not nominate a beneficiary, the contributions must be paid to the member's estate.