Md. Code Ann., Est. & Trusts § 5-406
Except as provided in §§ 5-207 of this title and 5-407 of this subtitle, any determination made by the court in a proceeding for judicial probate is final and binding on all persons.
Added by Acts 1974, c. 11, § 2, eff. July 1, 1974.
Formerly Art. 93, § 5-406.