Maryland Insurance Section 19-602
§ 19-602.
  (a)   In this section, "public entity" means:
    (1)   a political subdivision of the State;
    (2)   a unit of the State or a local government; or
    (3)   a nonprofit or nonstock corporation that:
      (i)   receives 50% or more of its annual operating budget from the State or a local government; and
      (ii)   is exempt from taxation under § 501(c)(3) or (4) of the Internal Revenue Code.
  (b)   Public entities may pool together to purchase casualty insurance, property insurance, or health insurance or to self-insure against casualty, property, or health risks.