(1) Unless extended by the general assembly acting by bill, all of the rules and regulations of the principal departments shall expire on the dates specified in this section.

(2) The rules and regulations of the following principal departments shall expire on July 1, 1980:

(a) to (c) Repealed.

(3) The rules and regulations of the following principal departments shall expire on July 1, 1981:

(a) to (d) Repealed.

(4) The rules and regulations of the following principal departments shall expire on July 1, 1982:

(a) to (c) Repealed.

(5) The rules and regulations of the following principal departments shall expire on July 1, 1983:

(a) to (d) Repealed.

(6) The rules and regulations of the following principal departments shall expire on July 1, 1984:

(a) Department of the treasury;

(b) Repealed.

(c) Office of state planning and budgeting;

(d) to (h) Repealed.

(6.1) Repealed.

(7) The general assembly, in its discretion, may postpone by bill the expiration of rules and regulations, or any portion thereof. Nothing in this section shall prohibit any action by the general assembly pursuant to section 24-4-103 (8)(d). The postponement of the expiration of a rule shall not constitute legislative approval of the rule nor be admissible in any court as evidence of legislative intent. The committee on legal services is authorized to establish procedures for the implementation of review of rules and regulations contemplated by this section including, but not limited to, a procedure for annual review of rules and regulations which may conflict with statutes or statutory changes adopted subsequent to review of a department's rules and regulations pursuant to this section.

(8) This section does not apply to rules of an agency in the department of regulatory agencies, which rules are subject to the provisions of section 24-34-104 (6)(b).