A judge of the circuit court is a judge of the circuit court in the State of South Dakota and in any circuit in which he acts as a judge. The orders, judgments, and decrees of a circuit judge acting in a county other than one in his own circuit shall be as effectual for all purposes as though made by a judge regularly elected and qualified therein; and such judge so acting, so long as he is a circuit judge, may thereafter enforce, amend, or vacate any order, decree, or judgment made by him, but in case of his separation from office or upon his request, the judge regularly elected for such circuit shall have such power and authority.
SDCL 16-6-29