The division may issue advisory private letter rulings to any affected registrant who makes such a request regarding any matters within the division’s primary jurisdiction. Such private letter ruling shall only affect the registrant making such inquiry, and shall have no precedential value for any other inquiry or future contested case to come before the division. Any dispute regarding a private letter ruling may, if the division chooses to do so, be resolved pursuant to the declaratory order provisions of § 4-5-223.