A bill to extend the moratorium on post office closings.

Amends the Postal Reorganization Act Amendments of 1976 to extend to December 31, 1978, the period during which the Postal Service is prohibited from: (1) increasing rates and fees to levels exceeding those in effect on the date of enactment of the Act; (2) offering levels and types of services which are less than those available on July 1, 1976; and (3) closing certain postal facilities which were in operation on July 1, 1976.