(a) The state board by rule may provide one or more beneficiaries of a deceased member whose death did not result from the performance of emergency services or support services a benefit, which may be a lump-sum amount or an annuity.
(b) A rule adopted under this section must include the type of eligible recipient of the benefit, including any service or age requirement, and the method of calculating the amount of the benefit. A rule may include any other terms the state board considers appropriate.