After the Second World War and its social and economic effects, disagreements and strikes increased in different parts of the country, these pressures made the government of prime minister Ahmad Qavam to establish an independent office as "General Office of Labour" under the "Ministry of Profession and Art" in 1944. It couldn't solve the existed problems, so they came to a conclusion that in order to overcome the problems, they should pass a law for labour regulations. The first Labour law was approved by cabinet (but not the parliament) on May 18, 1946, in a special situation where the labour strikes was going to take a political aspect. The inability of "General Office of Labour" to overcome the difficulties and other reasons, resulted in the formation of the "Ministry of Labour and Advertisement" on August 4, 1946. Later it became "Ministry of Labor and Social Affairs", and after the Iranian 1979 revolution, many related organizations came under it. Ministry was dissolved on 3 August 2011.