The Comptroller shall adopt regulations necessary to carry out the provisions of this subtitle, including regulations that establish:
(1) the procedure, form, and time periods for submitting a request for a private letter ruling;
(2) the terms and conditions under which a private letter ruling may be revoked or modified;
(3) the limitations on the applicability of a private letter ruling to specific persons, transactions, factual circumstances, and time periods;
(4) the circumstances under which a request for a private letter ruling may be denied by the Comptroller for good cause; and
(5) guidelines for the publication of private letter rulings.