Maryland Code, Estates and Trusts § 5-506

(1) The will, if there is one, or a copy authenticated pursuant to 28 U.S.C. § 1738 is filed in the office of the register;

(2) Every death tax with interest and penalties has been paid as contemplated in § 5-504 of this subtitle;

(3) Notice in a form approved by the court has been published to the effect that the decedent died owning the real or leasehold property as defined in § 5-503 (a) of this subtitle; and

(4) All claims of creditors have been satisfied.