''Families of low income'', families and persons whose net annual income is less than the amount necessary to enable them to obtain and maintain decent, safe and sanitary housing.
''Federal government'', the United States of America, and any agency or instrumentality corporate or otherwise of the United States of America.
''Federal legislation'', any legislation of the Congress of the United States relating to federal assistance for urban renewal, clearance of substandard, decadent or blighted open areas, city or regional planning, rehabilitation, code enforcement, housing, relocation or any related matters, and any regulations authorized thereunder.