Md. Code Ann., Real Prop. § 4-110
Notwithstanding § 5-302 of the Land Use Article or any similar public local law or ordinance, every deed executed or recorded before June 1, 1974, conveying land in a subdivision a plat of which had not been approved by a planning commission is fully valid and effective according to its terms if the deed would have been valid and effective but for § 5-302 of the Land Use Article or a similar public local law or ordinance.
Added by Acts 1974, c. 412, § 2, eff. June 1, 1974. Amended by Acts 1984, c. 541, § 1; Acts 2012, c. 427, § 1, eff. Oct. 1, 2012.