The term “Federal agency” means any department, agency, or instrumentality in the executive branch of the Government, any wholly owned Government corporation, the Architect of the Capitol, the Federal Reserve banks and branches thereof, and any person who has the authority to acquire property by eminent domain under Federal law.

The term “State” means any of the several States of the United States, the District of Columbia, the Commonwealth of Puerto Rico, any territory or possession of the United States, the Trust Territory of the Pacific Islands, and any political subdivision thereof.

The term “State agency” means any department, agency, or instrumentality of a State or of a political subdivision of a State, any department, agency, or instrumentality of 2 or more States or of 2 or more political subdivisions of a State or States, and any person who has the authority to acquire property by eminent domain under State law.

The term “Federal financial assistance” means a grant, loan, or contribution provided by the United States, except any Federal guarantee or insurance, any interest reduction payment to an individual in connection with the purchase and occupancy of a residence by that individual, and any annual payment or capital loan to the District of Columbia.