A contestant shall be allowed to enter the ring only if: a physician approved by the Commission declares the contestant to be physically fit; and the contestant has complied with § 4–304.1 of this subtitle. Each contestant in a contest shall submit to: a chemical test of the urine or blood of the contestant to detect the presence of a controlled dangerous substance defined in § 5–101 of the Criminal Law Article or other substance that the Commission prohibits by regulation; and subject to paragraph (2) of this subsection, a test of the blood or urine of the contestant to detect the presence of performance enhancing drugs, including: human growth hormones; and anabolic steroids. A contestant shall be required to submit to a blood or urine test under paragraph (1)(ii) of this subsection if: there is reasonable cause to believe the contestant has used a substance prohibited by regulation; the contestant was randomly selected by lottery; or the contestant has a documented or otherwise verified history of drug use within the 5 years immediately preceding the date of the contest. The Commission shall set the length in rounds of each contest. The Commission shall adopt regulations to ensure the safety of individuals who participate in amateur or professional mixed martial arts contests. In developing the regulations, the Commission shall consider: appropriate limits on acceptable maneuvers; time limits for contest rounds; and rules for termination of a contest.