Every filing pursuant to § 58-11-12 shall be made not less than thirty days in advance of any such delivery. At the expiration of such thirty days, the form so filed shall be deemed approved unless prior thereto it has been approved or disapproved by order of the director. Approval of any such form by the director shall constitute a waiver of any unexpired portion of such waiting period.

Source: SL 1966, ch 111, ch 22, § 13 (2).