Md. Code, Local Government § 4–502

(a) To initiate a merger, the legislative body of each municipality shall

adopt a proposal of unification.

(b) Each municipality shall adopt the proposal of unification:

(1) in substantially identical form; and

(2) in the manner that the municipality adopts ordinary legislation.

(c) The proposal of unification shall include a detailed description of the

boundaries of the proposed municipality that:

(1) is comprised of a survey of courses and distances; and

(2) may refer to general landmarks and place names.