Md. Code Ann., Real Prop. § 14-620
Any relief granted in an action or proceeding directly or collaterally attacking a judgment entered under this subtitle, whether based on lack of actual notice to a party or otherwise, may not impair the rights of a purchaser or encumbrancer for value of the property acting in reliance on the judgment without knowledge of any defects or irregularities in the judgment or the proceedings.
Added by Acts 2016, c. 395, § 1, eff. Oct. 1, 2016; Acts 2016, c. 396, § 1, eff. Oct. 1, 2016.