OBS_VALUE: The Government adopts a flexible approach by reviewing foreign investment proposals against the national interest on a case-by-case basis [...].The Treasurer has the power to block foreign investment proposals or apply conditions to the way proposals are implemented to ensure they are not contrary to the national interest. The Foreign Investment Review Board (FIRB) examines foreign investment proposals and advises the Treasurer on the national interest implications. However, Australia has sought to liberalise trade and investment through Free Trade Agreements (FTAs), subject to the national interest test.