Md. Code, Local Government § 21–505

(a) Unless otherwise provided in the charter, bylaws, or code of a county,

before the governing body of a county enacts an ordinance or resolution that

establishes a special taxing district, authorizes the issuance of bonds, or imposes ad

valorem or special taxes under this subtitle, the governing body shall:

(1) hold a public hearing; and

(2) give notice of the public hearing in a newspaper of general

circulation in the county at least 10 days before the date of the hearing.

(b) Before a county may establish as a special taxing district an area that

is wholly or partly within a municipality or other county listed in § 21–502(a) of this

subtitle, the county shall get the consent of the governing body of the municipality or

another county.