While nearly all federal government executive agencies are required to comply with the FAR, some executive agencies are exempt (e.g., the Federal Aviation Administration and the U.S. Mint). In those cases, the agency promulgates its own specific procurement rules. The remainder of the FAR System consists mostly of sets of regulations issued by executive agencies of the federal government of the United States to supplement the FAR.

Based on this passage, who does the federal acquisition regulations apply to? Let's think fast. Stream of consciousness:
To answer the question, consider the following: While nearly all federal government executive agencies are required to comply with the FAR, some executive agencies are exempt (e.g., the Federal Aviation Administration and the U.S. Mint). So the final answer is nearly all federal government executive agencies are required to comply with the FAR , some executive agencies are exempt ( e.g. , the Federal Aviation Administration and the U.S. Mint ).