§ 1620.17 - Retroactive employer and employee contributions.

(a) Retroactive employer contributions. An employing authority that has chosen to make employer contributions may make the employer contributions described in § 1620.12(b) on behalf of employees participating in the Federal Employees’ Retirement System to the extent that neither the employing authority nor the Federal Government has already made these contributions. The employing authority must make these retroactive employer contributions in accordance with the procedure described in § 1620.37 of this part.

(b) Retroactive employee contributions. Employees participating in the Civil Service Retirement System or the Federal Employees’ Retirement System shall be allowed to make, on a retroactive basis, all employee contributions for eligible periods of service with the employing authority unless these employees have already had the opportunity to make contributions for these periods of service. Retroactive employee contributions shall be made in accordance with the procedures described in § 1620.36 of this part.