Md. Code, Land Use § 7–506

(a) Except as otherwise provided or required by State law, a local government may not require that a qualified project under this subtitle be reviewed at more than two public hearings before each of the following:

(1) the local governing body; and

(2) the planning commission.

(b) Except as otherwise provided or required by State law, a local government may not require that a qualified project under this subtitle be reviewed at more than one public hearing before each of the following:

(1) a historic district commission or historic preservation commission; and

(2) the board of appeals.