Md. Code Ann., Est. & Trusts § 4-413
If probable cause exists for instituting proceedings, a provision in a will purporting to penalize an interested person for contesting the will or instituting other proceedings relating to the estate is void.
Added by Acts 1974, c. 11, § 2, eff. July 1, 1974.
Formerly Art. 93, § 4-413.