780 CMR, ch. 1, pt. 2, 111, 111.3
The Building Commissioner/Inspector of Buildings or where applicable, State Building Inspector is authorized to issue a temporary Certificate of Occupancy and Use before the completion of the entire work covered by the permit, provided that such portion or portions shall be occupied safely. The Building Commissioner/Inspector of Buildings or where applicable, State Building Inspector shall set a time period, not to exceed 180 days, during which the temporary Certificate of Occupancy and Use is valid. Upon written request from the permit holder, the issuer may extend the temporary occupancy permit for additional 30 day periods or a period at the discretion, and within the jurisdiction, of the issuing Building Commissioner/Inspector of Buildings or where applicable, State Building Inspector. Local Inspectors shall not sign or issue temporary Certificates of Occupancy and Use.
780 CMR, ch. 1, pt. 2, 111, 111.3