Maryland Code, Land Use § 1-507

(a) If the Department of Planning comments under § 1-505 of this subtitle on any of the tiers or on an area within one of the tiers, the local legislative body or the planning board shall hold at least one public hearing on the comments by the Department of Planning.

(b) The local legislative body or the planning board shall review the mapped growth tiers adopted by the local jurisdiction in light of the comments by the Department of Planning.

(c) If the planning board holds the public hearing under subsection (a) of this section, after the public hearing and the consideration of the comments by the Department of Planning, the planning board shall recommend to the local jurisdiction that either the tiers or an area within the tiers:

(d) If the planning board recommends that the tiers or an area within the tiers be changed under subsection (c) of this section, the planning board shall provide the recommended mapped growth tier changes to the local jurisdiction.