§91-4 Filing and taking effect of rules. (a) Each agency adopting, amending, or repealing a rule, upon approval thereof by the governor or the mayor of the county, shall file forthwith certified copies thereof with the lieutenant governor in the case of the State, or with the clerk of the county in the case of a county. In addition, the clerks of all of the counties shall file forthwith certified copies thereof with the lieutenant governor. A permanent register of the rules, open to public inspection, shall be kept by the lieutenant governor and the clerks of the counties.
(b) Each rule hereafter adopted, amended, or repealed shall become effective ten days after filing with the lieutenant governor in the case of the State, or with the respective county clerks in the case of the counties; provided that: