Section 323.7 - Effective date(a) This part shall not apply to a plan approved by the Director of Unemployment and Sickness Insurance prior to the effective date of this part. However, it shall apply to any proposed revision to such plan.(b) Any plan in effect on the effective date of this part that has not been approved by the Director of Unemployment and Sickness Insurance shall be considered a proposed plan for purposes of § 323.5 .