Maryland Housing and Community Development Section 7-220
§ 7-220.
  (a)   (1)   After notice and public hearing, a political subdivision may find that, because of a protected action, a low-income and moderate-income rental housing emergency exists in all or part of its jurisdiction.
    (2)   The political subdivision shall make findings as to:
      (i)   the nature and incidence of protected actions;
      (ii)   the resulting hardship to and displacement of tenants; and
      (iii)   the scarcity of low-income and moderate-income rental housing.
  (b)   (1)   Except as provided in paragraph (2) of this subsection, on finding that there is an emergency under this section, a political subdivision may enact a law, ordinance, or regulation to:
      (i)   grant to a designated household a right to an extended lease for a period in addition to that granted under § 7-214 of this subtitle; or
      (ii)   extend any other provision of this subtitle concerning extended leases.
    (2)   A political subdivision may not require that:
      (i)   more than 20% of assisted units in an assisted project be set aside for extended leases for designated households; or
      (ii)   the term of an extended lease for any household made a designated household by the political subdivision exceed 3 years.
    (3)   The political subdivision may require that the notice required under § 7-216(a)(3) of this subtitle be modified to disclose the effects of any actions taken under this section.
  (c)   Within 10 days after enacting a law, ordinance, or regulation in accordance with this section, a political subdivision shall send a copy to the Secretary of State and the Secretary of Housing and Community Development.