Medical suspensions may be issued at the discretion of the physician appointed by the Commission. The following shall constitute mandatory grounds for medical suspension and minimum duration: Laceration ... 30 days; Technical knockout ... 30 days; Knockout or technical knockout with loss of consciousness (first occurrence) ... 60 days; Knockout or technical knockout with loss of consciousness (second consecutive occurrence): Not less than 70 days from the date of the second occurrence, and Not less than 120 days from the date of the first occurrence; Knockout or technical knockout with loss of consciousness (third consecutive occurrence) ... indefinite; Poorly conditioned ... 42 days; Physically demanding contest or excessive blows to the head ... 30 to 60 days. A contestant suspended indefinitely shall remain suspended until a medical examination specified by the Commission has been completed and the Commission has determined that the contestant has satisfactorily recovered. Unless the Commission otherwise approves, a contestant may not participate in another contest: For at least 14 days after a contest of four to eight rounds duration; and For at least 28 days after a contest of more than eight rounds duration. A contestant whose urine test results are positive shall be suspended pending a hearing. Knockout occurrences in other states, suspensions, and durations of contests shall be used in determining the length of medical suspensions and the fitness of a contestant to compete.