D.C. Mun. Regs. tit. 6, r. 6-B1153
For the purposes of this section, the following terms shall have the meaning ascribed:
Annuitant - An individual who is receiving or who has made application for an annuity under any District or Federal Government retirement system.
Annuity offset - A reduction in the basic pay of a reemployed annuitant, prior to any deductions, which is equal to the amount of the annuity allocable to the period of reemployment.
Covered position - A position that entitles the incumbent to coverage under the Civil Service Retirement System (CSRS).
District government retirement system - Any of the following retirement systems: Teachers' Retirement System, Police and Fire Retirement System, and Teachers' Insurance and Annuity Association programs.
Reemployed annuitant - A former employee who is receiving or who has made application for an annuity under any District government retirement system or an individual who was first hired by the District government prior to October 1, 1987 in a covered position and who retires and is subsequently rehired.
Each personnel authority is required to offset the salary of certain reemployed annuitants, as provided in this section.
Except as provided in § 1153.6, annuity offset shall be applicable to any employee who meets either of the following criteria:
Each appointee shall notify the servicing personnel office in writing, on or before the date of appointment, if he or she has applied for or is receiving an annuity from any District government retirement system or from the CSRS.
Upon a determination that an appointee is subject to annuity offset, the personnel authority shall notify the appointee in writing that, pursuant to D.C. Law 2-139, as amended by D.C. Law 10-172, if he or she accepts the appointment, the basic pay for the position will be reduced in an amount equal to the annuity allocable to the period of reemployment.
An annuitant who is reemployed by the District government under either the Retired Police Officer Redeployment Amendment Act of 1992 or the Retired Police Officer Public Schools Security Personnel Department Amendment Act of 1994 shall not be subject to annuity offset.
Any individual who was first hired by the District government on or after January 1, 1980, who was receiving an annuity under any retirement system of the uniformed services of the United States and whose salary plus annuity exceeded step 1 of a DS-15, shall cease to be subject to any reduction in salary because of the annuity, effective with the pay period which began on October 2, 1994.
Any employee who is an annuitant under the CSRS, who was first hired by the District government after September 30, 1987, shall not be subject to annuity offset for any period of employment, effective with the pay period which began on October 2, 1994.
D.C. Mun. Regs. tit. 6, r. 6-B1153