(a) Eligibility.--An annuitant who:

shall be eligible for this special supplemental postretirement adjustment.

(b) Calculation of adjustment.--The monthly amount of this special supplemental postretirement adjustment shall be equal to the final average salary multiplied by 2% multiplied by the years of this military service divided by 12 multiplied by any applicable early retirement or option factors.

(c) Adjustment paid.--Upon receipt of a timely request by an eligible annuitant, the system shall pay this special supplemental postretirement adjustment monthly from the effective date of this section.

(d) Adjustment enacted after death of annuitant.--No special supplemental postretirement adjustment enacted after the death of an annuitant shall be payable to the beneficiary or survivor annuitant of the deceased annuitant.

(e) Future supplemental annuities.--This special supplemental postretirement adjustment shall be included in the total annuity, and this military service shall be included in the total credited service in determining all future supplemental annuities.

(f) Time limitations.--An annuitant who is eligible for this special supplemental postretirement adjustment shall have two years from the effective date of this section within which to make a request to the system for the adjustment established in this section.

(g) Court-ordered purchase of nonstate service.--If a court of competent jurisdiction rules that an annuitant who is receiving or will receive retirement pay under 10 U.S.C. Ch. 67 for this military service is eligible under section 5304(c)(1) or (2) to purchase nonstate service credit for this military service, this special supplemental postretirement adjustment shall stop with the annuitant's purchase of nonstate service credit for this military service, and the total amount of this special supplemental postretirement adjustment paid to the annuitant from the effective date of this section shall be subtracted from any increase in the annuity caused by the court-ordered purchase of nonstate service credit for this military service.