SDCL § 23A-9-3: (Rule 12.1(c)) Notice to adverse party of newly discovered witness on alibi.

If prior to or during trial, a party learns of an additional witness whose identity, if known, should have been included in the information furnished under § 23A-9-1 or 23A-9-2, he shall promptly notify the other party or his attorney of the existence and identity of such additional witness.

Source: SL 1978, ch 178, § 119.