(a) General rule.--Except as provided in subsections (b) and (c), a licensee may directly or indirectly charge, contract for, collect or receive from the buyer, in connection with the retail sale of a motor vehicle under an installment sale contract, insurance charges, other charges necessary or incidental to the sale of the motor vehicle, finance charges, refinance charges, late charges, recording and satisfaction fees, court costs, attorney fees and costs of retaking, repairing and storing a repossessed motor vehicle, which are disclosed as required by section 6222(5) (relating to contents).

(b) Exception.--A licensee may not directly or indirectly charge, contract for, collect or receive from the buyer, in connection with the retail sale of a motor vehicle under an installment sale contract, any further or other amount for costs, charges, examination, appraisal, service, brokerage, commission, expense, interest, discount, fees, fines, penalties or other thing of value in excess of the amounts permitted under subsection (a) or (c).

(c) Manufactured homes.--An installment seller of a manufactured home may charge appraisal fees, brokerage fees and commissions if they represent actual charges and are properly disclosed to the buyer.

(e) Unenforceable provision.--If an installment sale contract contains a provision that authorizes a prohibited charge, the provision is unenforceable.