Maryland Code, Labor and Employment § 7-404

(c)(1) Each farm labor contractor shall ensure that the owner of each vehicle that the farm labor contractor uses or causes to be used to transport a migrant agricultural worker in the State has a policy that insures against liability for bodily injury and damage to property that arises from the ownership or operation of the vehicle.

(2) The Commissioner shall set, by regulation, the minimum amount of insurance coverage required under paragraph (1) of this subsection, but the amount may not exceed the coverage required under federal law.