15-6-59(g). Order granting new trial must show grounds upon which based.
The trial court when granting a motion for new trial shall in its order specify each and every ground upon which it bases such order; all grounds urged upon such motion and not specified in the order shall be deemed to have been overruled by the trial court.
Source: SDC 1939 & Supp 1960, §33.1611; SD RCP, Rule 59 (g), as adopted by Sup. Ct. Order March 29, 1966, effective July 1, 1966.