A bill to amend title 39 of the United States Code to establish an arbitration board to settle disputes between certain organizations and the U.S. Postal Service.

Establishes a three-member arbitration board to settle disputes between organizations of supervisory and managerial personnel, and the Postal Service.

Requires that disputes concerning a substantial portion of such personnel and dealing with: (1) plans for participating directly in the development of pay policies and other benefit programs; or (2) pay policies and other programs developed after such participation, be referred to the arbitration board.

Specifies that if the Postal Service and such organization are unable to agree as to whether or not a particular issue may be referred to arbitration, both parties shall refer the issue to arbitration.