A provision in a will purporting to penalize an interested person for contesting the will or instituting other proceedings relating to the estate is unenforceable if probable cause exists for instituting proceedings. Source: SL 1995, ch 167 , § 2-517.
Penalty clause for contest
SDCL § 29A-2-517 — under INTESTATE SUCCESSION AND WILLS.
SDCL § 29A-2-517