ROA'S Congressional Charter is Public Law 595, 81st Congress (1950), Section 3.

This act was passed "... to Incorporate the Reserve Officers Association of the United States."  This act established the objective of ROA:"...support and promote the development and execution of a military policy for the United States that will provide adequate National Security."

President Harry S. Truman, one of the early members of ROA, signed the charter on 30 June 1950.