205 CMR, § 127.01
As used in 205 CMR 127.00, the following words and phrases shall have the following meaning:
Mitigation Agreement or Mitigation Agreements means a fully executed host community agreement as governed by 205 CMR 123.02: Host Community Agreement, surrounding community agreement as governed by 205 CMR 125.01: Determination of Surrounding Communities and Execution of Mitigation Agreements, or an impacted live entertainment venue agreement as governed by 205 CMR 126.00: Impacted Live Entertainment Venues.
Significant and Material Adverse Impact means a substantial negative affect on a host community, surrounding community, or impacted live entertainment venue from an unforeseen event, act, or circumstance occurring after a mitigation agreement is executed and which directly undermines a basic premise on which the mitigation agreement was made, a principal purpose of the mitigation agreement, or a vital portion of the mitigation agreement without fault of the affected party.
205 CMR, § 127.01