Md. Code Ann., Est. & Trusts § 5-407
A judicial probate may be reopened and a new proceeding held if, following a request by an interested person within 18 months from the death of the decedent, the court finds the existence of any fact which would permit the holding of a proceeding pursuant to § 5-304(b) of this title.
Added by Acts 1974, c. 11, § 2, eff. July 1, 1974.
Formerly Art. 93, § 5-407.