Section 239.01 - Access to and Maintenance and Production of Operator Records(1) The Commission shall have access to, and may inspect, the premises of a Category 1 Sports Wagering License or Category 2 Sports Wagering License Operator.(2) An Operator shall maintain complete, accurate, and legible records of all transactions pertaining to the revenues and costs associated with its Sports Wagering operation, including those required in accordance with 205 CMR. General accounting records shall be maintained on a double entry system of accounting with transactions recorded on the accrual basis. Detailed, supporting, subsidiary records sufficient to meet the requirements of 205 CMR shall also be maintained.(3) The Commission may request the production of records of an Operator in accordance with the provisions of 205 CMR 142.00: Regulatory Monitoring and Inspections and 205 CMR 241.00: Surveillance and Monitoring.Adopted by Mass Register Issue 1489, eff. 1/25/2023 (EMERGENCY).Amended by Mass Register Issue 1493, eff. 4/14/2023.Amended by Mass Register Issue 1497, eff. 5/17/2023 (EMERGENCY).Amended by Mass Register Issue 1501, eff. 5/17/2023 (COMPLIANCE).