A regulation or an order of repeal filed by the lieutenant governor becomes effective on the 30th day after the date of filing unless
(1) otherwise specifically provided by the statute under which the regulation or order of repeal is adopted, in which event it becomes effective on the day prescribed by the statute;
(2) it is a regulation prescribing the organization or procedure of an agency, in which event it becomes effective upon filing by the lieutenant governor or upon a later date specified by the state agency in a written instrument submitted with, or as part of, the regulation or order of repeal;
(3) it is an emergency regulation or order of repeal adopted under AS 44.62.250, in which case the finding and the statement of the facts constituting the emergency shall be submitted to the lieutenant governor, together with the emergency regulation or order of repeal, which, in that event only, becomes effective upon filing by the lieutenant governor or upon a later date specified by the state agency in a written instrument submitted with, or as part of, the regulation or order of repeal;
(4) a later date is prescribed by the state agency in a written instrument submitted with, or as part of, the regulation or order of repeal.