After the issuance of any permit or variance but prior to the issuance of a certificate of compliance, where one is required, the applicant or his or her successor in interest shall notify the Commission of any change in ownership of the premises on which the proposed land use activity is to occur. Where a certificate of compliance is not required by the conditions of a permit or variance, the applicant or his successor in ownership shall notify the Commission of any change in ownership of the premises on which the proposed land use activity is to occur prior to the expiration date of the permit or variance.
94- 412 C.M.R. ch. 101, § 9