310 CMR, § 21.07
Current through Register 1536, December 6, 2024
All records of end suppliers, including the annual measured volume records and records of population served, shall be made available upon request to the Department at any reasonable time for inspection. For at least six years from each Assessment period each end supplier shall maintain, preserve, and make available for inspection and audit all records relating to the Assessment.
310 CMR, § 21.07