Every rule, regulation, form, order, and directive adopted by or in effect for any position or unit assigned to the Department, or for any abolished position or unit whose functions have been transferred to the Department remains in effect until changed by the Secretary or any other official authorized to change them. Every reference in this Code, any other State law, ordinance, resolution, rule, regulation, order, directive, legal action, contract, or any other document of or to any unit which is abolished and whose function has been transferred to the Department, means the Department. The duties, powers, and responsibilities of the position or unit become the duties, powers, and responsibilities of the Secretary.