Maryland Public Safety Section 12-504
§ 12-504.
  (a)   A local jurisdiction may adopt local amendments to the Standards if the local amendments do not prohibit the minimum implementation and enforcement activities set forth in § 12-505 of this subtitle.
  (b)   If a local jurisdiction adopts a local amendment to the Standards, the Standards as amended by the local jurisdiction apply in the local jurisdiction.
  (c)   If a local amendment conflicts with the Standards, the local amendment prevails in the local jurisdiction.
  (d)   A local jurisdiction that adopts a local amendment to the Standards shall ensure that the local amendment is adopted in accordance with applicable local law.
  (e)   To keep the database established under this subtitle current, a local jurisdiction that adopts a local amendment to the Standards shall provide a copy of the local amendment to the Department:
    (1)   at least 15 days before the effective date of the amendment; or
    (2)   within 5 days after the adoption of an emergency local amendment.