(a) Notwithstanding the provisions of sections 46b-215a and 46b-215b, updated child support and arrearage guidelines issued by the Commission for Child Support Guidelines pursuant to § 46b-215a shall be submitted by the commission to the standing legislative regulation review committee and adopted as regulations in accordance with the provisions of chapter 54.

(b) Nothing in this section shall affect the validity of a child support order issued pursuant to any guidelines promulgated pursuant to § 46b-215a prior to the approval of such guidelines pursuant to the provisions of this section.