01-017-7 Me. Code R. § 2
No horse shall race without a current eligibility record. The Racing Secretary shall check the United States Trotting Association (U.S.T.A.) racetrack system and certify to the Judges the eligibility of all the horses.
Any track official, representative of this Commission, representative of the United States Trotting Association, may call for information concerning the identity and eligibility of any horse entered to race at an Association and may demand an opportunity to examine that horse or the horse's eligibility record or registration. Any owner or trainer, track official, a representative of the Commission or a representative of the United States Trotting Association may obtain information concerning the identity or eligibility of any horse. If the owner or party controlling that horse refuses to supply the information, or to allow the examination, or fails to give satisfactory identification, the owner or party commits a Level 1 violation pursuant to Chapter 17 of the Commission rules.
01-017 C.M.R. ch. 7, § 2