205 CMR 248.15
Account Records and Statements
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.