The document outlines the Coastal Regulation Zone (CRZ) notification implemented by the Maharashtra Pollution Control Board, which regulates development activities along coastal areas influenced by tidal action. It specifies prohibited activities such as certain industrial expansions and land reclamation and categorizes coastal zones into CRZ-I, II, III, and IV based on ecological sensitivity and development status. The document further details the roles of various authorities, including the State Coastal Zone Management Authority, in overseeing compliance and enforcement of the regulations.