A wholesaler shall not refuse to accept at the point of transfer, in a quantity at least equal to the number of new batteries purchased, used batteries from retailers or consumers. Any wholesaler accepting batteries in transfer from a retailer shall remove such batteries from the retail point of collection within ninety days. The Commissioner of Energy and Environmental Protection, upon presenting appropriate credentials to a retailer, operator or agent in charge, may inspect, at reasonable times the retailer’s place of business. The commissioner may issue warnings and citations to retailers who fail to comply with the provisions of sections 22a-256f to 22a-256i, inclusive.