(a) Each agency shall file in the office of the Secretary of State and in the agency's principal office a certified copy of each rule and modification or repeal of any rule adopted by it. The Secretary of State and the agency shall each keep a permanent register of the rules open to public inspection. Whenever a rule or modification or repeal of any rule is filed with the Secretary of State, the Secretary shall send a certified copy of the rule, modification or repeal, within 3 working days after it is filed, to the Joint Committee on Administrative Rules.