<Tr> <Th> Parent agency </Th> <Td> Executive Office of the President </Td> </Tr> <Tr> <Th> Website </Th> <Td> nlrb.gov </Td> </Tr> <P> The National Labor Relations Board (NLRB) is an independent US government agency with responsibilities for enforcing US labor law in relation to collective bargaining and unfair labor practices . Under the National Labor Relations Act of 1935 it supervises elections for labor union representation and can investigate and remedy unfair labor practices . Unfair labor practices may involve union - related situations or instances of protected concerted activity . The NLRB is governed by a five - person board and a General Counsel, all of whom are appointed by the President with the consent of the Senate . Board members are appointed to five - year terms and the General Counsel is appointed to a four - year term . The General Counsel acts as a prosecutor and the Board acts as an appellate judicial body from decisions of administrative law judges . </P> <P> The NLRB is headquartered at 1015 Half St. SE, Washington, D.C., with over 30 regional, sub-regional, and residential offices throughout the U.S. </P>

What is the primary function of the national labor relations board