To allow credit under the Federal Employees' Retirement System for certain Government service which was performed abroad after December 31, 1988, and before May 24, 1998.

Allows credit under the Federal Employees' Retirement System for temporary Government service which was performed abroad after December 31, 1988 and before May 24, 1998, at a U.S. diplomatic mission, consular mission, or other Foreign Service post.

Directs the Office of Personnel Management to inform individuals entitled to have any service credited under this Act or to have any annuity computed or recomputed under this Act.

Sets forth requirements for the computation or recomputation of annuities or survivor annuities as necessitated by this Act.