Section 9.2 - APPLICABILITYNew construction: Multiple dwellings, for which building permits for new construction are issued on or after September 1, 1996 shall meet the requirements of 521 CMR 9.3, Group 1 Dwelling Units and 521 CMR 9.4, Group 2 Dwelling Units.
9.2.1Renovation and reuse: Any building previously occupied for any purpose, which is converted, renovated, reconstructed, altered or remodeled for residential use after this date is exempt from 521 CMR 9.3 Group 1 Dwelling Units.9.2.2Renovation and reuse of dwelling units is subject to 521 CMR 9.4, Group 2 Dwelling Units through 521 CMR 9.5, Dwelling Unit Interiors provided the work being performed, in a three year period, exceeds 30% of the full and fair cash value of the building (See521 CMR 3.3.2). Work performed to public use and common use areas however, is subject to all of 521 CMR 3.3.