The operator or owner of a vehicle for which a permittee provides any services under these regulations is responsible for any charge imposed for those services. Neither the Authority nor the State is responsible or liable for any cost associated with services performed by a permittee. A permittee shall accept all reasonable forms of payment from the owner or operator of a vehicle for whom the permittee has performed a service in accordance with these regulations. A reasonable form of payment includes: United States currency; A check guaranteed by a commercial service; or A major credit card. Personal checks may be accepted at the permittee's discretion.