Dualism of authority in land services in Batam City, this is the Batam Authority (OB) now the Batam Concession Agency (BP) with Presidential Decree Number 41 of 1973 concerning the Batam Island Industrial Area and Decree of the Minister of Home Affairs Number 43 of 1977 concerning Management and Use of Land in The Batam Island Industrial Area provides authority to BP Batam in the land sect…