 The Front became the governing coalition when it took office in April 1951, with Mosaddegh elected Prime Minister.Mosaddegh's minister of foreign affairs Hosseyn Fâtemi enforced the "Oil Nationalization Act", passed by the Majlis in March and ratified by the Senate.The Act, reluctantly signed by the Shah, called for nationalization of the assets held by AIOC, from which the government of Iran had hitherto only received minimal compensation.