Maryland Real Property Section 3-109.1

      (a)      (1)      In Frederick and Carroll counties, the clerk of the circuit court for the respective county shall receive, index, and file in a substantial loose-leaf, linen-backed, or other durable-backed book, copies of plats showing property or rights-of-way to be acquired or conveyed by the board of county commissioners of that county.

            (2)      Each plat may not be greater in size than 22 inches by 36 inches.

      (b)      When filed and indexed under subsection (a) of this section, a plat constitutes a part of the land records of the county.