How are zoning bylaws regulated and how are they contrived?

Zoning Bylaws are regulated under Massachusetts general laws 40A which is referred to as "The Zoning Act". This act was enacted in 1975 to facilitate, encourage and foster the adoption and modernization of zoning ordinances and bylaws by municipal governments: and to establish standardized procedures for the administration and promulgation of municipal zoning laws. Zoning bylaws are voted into law by the town's residence through town meeting.