SDCL § 25-4A-27: Modification of existing orders.

The enactment of §§ 25-4A-21 to 25-4A-27, inclusive, does not constitute a substantial change in circumstances justifying the modification of existing custody orders, but the provisions of §§ 25-4A-21 to 25-4A-27, inclusive, shall apply to modification proceedings which are otherwise properly before the court.