Every rule made under section 35 and every order issued under section 37 shall be laid as soon as may be after it is made or issued before each House of the State Legislature while it is in session for a total period of thirty days which may be comprised in one session or in two or more successive sessions and if, before the expiry of the session immediately following the session or the successive sessions aforesaid, both Houses agree in making any modification in the rule or order or both Houses agree that the rule or order should not be made, the rule or order shall from the date on which the modification or annulment is notified by the State Government in the official Gazette, have effect only in such modified form or be of no effect as the cas may be; so, however, that any such modification or annulment shall be without prejudice to the validity of anything previously done under that rule or order.