Mass. Gen. Laws ch. 23N, § 12
(b) Sports wagering operators may use any data source for determining:
(d) Within 60 days of the commission notifying a sport wagering operator of the requirement to use official league data to settle tier 2 sports wagers pursuant to subsection (c), or such longer period as may be agreed between the sports governing body and the applicable sports wagering operator, a sports wagering operator shall use only official league data to determine the results of tier 2 sports wagers on sporting events of that sports governing body, unless:
(e) In evaluating whether official league data is offered on commercially reasonable terms and conditions for purposes of paragraphs (1) and (2) of subsection (d), the commission may consider factors, including, but not limited to: