1) гос. упр., юр., амер. независимое (федеральное) агентство [ведомство\] (организационная структура, основанная по распоряжению конгресса США, ему подотчетная и находящаяся вне контроля со стороны кабинета министров)
See:
independent executive agency, independent regulatory agency, government corporation, federal agency, agency, administrative agency, Broadcasting Board of Governors, Commodity Futures Trading Commission, Commission on Civil Rights, Consumer Product Safety Commission, Defense Nuclear Facilities Safety Board, Election Assistance Commission, Environmental Protection Agency, Environmental Science Services Administration, Equal Employment Opportunity Commission, Federal Communications Commission, Federal Election Commission, Federal Housing Finance Board, Federal Labor Relations Authority, Federal Mediation and Conciliation Service, Federal Retirement Thrift Investment Board, Federal Trade Commission
2) эк. независимое агентство (агентские отношения, при которых агент может представлять интересы нескольких доверителей)
See:
Англо-русский экономический словарь.