(1) Except as provided in sections 7b, 7c, and 7d, any person, driver, or motor carrier as defined by 49 C.F.R. § 390.5 who violates this act or a rule promulgated under this act, or permits or requires any person to violate this act or a rule promulgated under this act, is responsible for a state civil infraction and may be ordered to pay a fine of not more than $250.00 for each violation.

  (2) A peace officer or an enforcement member of the motor carrier division of the department of state police, upon probable cause to believe that a motor vehicle is being operated in violation of this act or a rule promulgated under this act, may stop the motor vehicle and inspect the motor vehicle. If a violation is found, the officer may issue a notice to appear for that violation.

  (3) An enforcement member of the motor carrier division of the department of state police, upon notification of a valid out-of-service order upon a motor carrier issued by the United States department of transportation, by a state or a political subdivision of a state, by the Canadian or Mexican government, or by the government of a province of Canada, may stop and detain any vehicle operated by the motor carrier and place the vehicle and driver out of service pursuant to the order. A driver or motor carrier operating a vehicle in violation of an out-of-service order is responsible for a state civil infraction and shall be assessed a fine of not more than $500.00.