This act shall not require the repurchase from a retailer of a repair part where the retailer previously has failed to return the repair part to the wholesaler, manufacturer or distributor after being offered a reasonable opportunity to return the repair part at a price not less than one hundred percent (100%) of the net price of the repair part as listed in the then current price list or catalog, and transportation charges required in section 28-23-102, Idaho Code, which have been paid by the retailer, or invoiced to the retailer’s account. This act shall not require the repurchase from a retailer of repair parts the retailer purchased in a set of multiple parts, unless the set is complete and in resalable condition and parts which because of their condition are not resalable without reconditioning.