Code of Federal Regulations Title 5. Administrative Personnel § 5.831.702 Adjustment of annuities

(a)(1) An annuity which includes creditable National Guard technician service performed prior to January 1, 1969, shall be reduced by the portion of any benefits under any State retirement system to which an annuitant is entitled (or on proper application would be entitled) for any month in which the annuitant is eligible for State benefits based on the same pre–1969, service.

(2) Any cost-of-living increases in the State benefit shall require a corresponding deduction in the civil service annuity.

(3) Any cost-of-living increase to a civil service annuity shall apply to the gross annuity before deduction for benefits under any State retirement system.