Maryland Statutes
Subtitle 3 - Unapproved Plats and Subdivisions
Section 5-302 - Recording Unapproved Subdivision Plat

(a)    A clerk of the circuit court for the county in which the local jurisdiction is located may not record a subdivision plat unless the plat has been approved by the planning commission for the local jurisdiction in the manner required by law.
    (b)    A subdivision plat that is recorded without the required approval is limited to the legal effect of an unrecorded plat.