Section 625-1-6 - Procedures for developing and maintaining address and routing databases1.Address and Routing Database DevelopmentA.Physical addresses. Each municipality participating in the E-9-1-1 system shall provide the Bureau with a list of accurate physical addresses for all published residential and business telephone subscribers and coin-telephones within its municipal boundaries. These addresses shall be linked with corresponding telephone numbers in telephone companies' customer service databases.B.Master Street Address Guide. Each municipality participating in the E-9-1-1 system shall provide the Bureau with accurate road names, number ranges, and emergency service zones (ESZ) for the purpose of creating the Master Street Address Guide (MSAG). The MSAG shall be used to route 9-1-1 calls to the proper PSAP and display the correct ANI/ALI information.2.Address and routing database maintenanceA.Municipal maintenance. After establishment of the MSAG, each municipality participating in the E-9-1-1 system shall continue to verify the accuracy of the routing information contained in the MSAG and to advise the Bureau, on an as-occurred basis, of any changes in road names, the establishment of new roads, changes in address numbers used on existing roads, closing and abandonment of roads, changes in police, fire, emergency medical service or other appropriate agencies, jurisdiction over any address, annexations and other changes in municipal and county boundaries, incorporation of new communities or any other matter that will affect the routing of 9-1-1 calls to the proper PSAP.65- 625 C.M.R. ch. 1, § 6