S.D. Codified Laws § 29A-6-424

In any case where a deceased transferor has more than one transfer on death deed at the time of transferor's death, all of the beneficiaries therein are jointly and severally liable to the creditors or personal representative of the deceased transferor as herein provided and any beneficiary who is made a defendant in any action has the right to require any other such beneficiary within the jurisdiction of the court to be joined as a party defendant in the action and has the right of pro rata contribution against other beneficiaries, to the extent of their respective liability hereunder.