15-6-13(g). Cross-claim against co-party.
A pleading may state as a cross-claim any claim by one party against a co-party arising out of the transaction or occurrence that is the subject matter either of the original action or of a counterclaim therein or relating to any property that is the subject matter of the original action. Such cross-claim may include a claim that the party against whom it is asserted is or may be liable to the cross-claimant for all or part of a claim asserted in the action against the cross-claimant.
Source: SDC 1939 & Supp 1960, §33.0912; SD RCP, Rule 13 (g), as adopted by Sup. Ct. Order March 29, 1966, effective July 1, 1966.