The Sports Wagering Operator must maintain complete records of every deposit, withdrawal, wager, and payout for each Sports Wagering Account. In accordance with M.G.L. c. 23N, § 4(d)(2)(iv), upon request of the patron, the Sports Wagering Operator shall offer patrons access to a statement detailing their account history and account details for the past year.
205 CMR, § 248.15