In any case where there is a dispute between a marketer and a retail customer concerning the amount of a gas bill, the marketer shall be required to confer by telephone or some other verifiable means with the retail customer in an attempt to resolve such dispute. In case of any such dispute the marketer shall be prohibited from reporting the name of a retail customer to any consumer reporting agency as defined in Section 603(f) of the federal Fair Credit Reporting Act until the marketer has conferred with the retail customer and has complied in all respects with all applicable provisions of this article and the rules and regulations of the commission or has obtained a judgment against the retail customer.