Code of Massachusetts Regulations
400 CMR - EXECUTIVE OFFICE OF ECONOMIC DEVELOPMENT
Title 400 CMR 2.00 - Expedited Permitting
Section 2.10 - Permit Modifications

Issuing authorities shall make every reasonable effort to review permit modification requests within as short a period as is feasible to maintain the integrity of the expedited permitting process. An issuing authority shall inform an applicant within 20 business days of receipt of a request whether the modification is approved, denied, determined to be substantial or requires additional information for the issuing authority to issue a decision. If additional information is required, the issuing authority shall inform an applicant by certified mail within 20 business days after receipt of the required additional information whether the modification is approved or denied or that further additional information is required by the issuing authority in order to render a decision.