(a) In this subtitle the following words have the meanings indicated.
(b) “Fire, rescue, or emergency medical services entity” means:
(1) a governmental subdivision, by its appropriate designated authority;
(2) a board or fire commission of a fire department or governmental subdivision;
(3) a fire department;
(4) a fire company;
(5) a rescue squad; or
(6) an emergency medical services unit, including an entity that provides emergency medical services at any level.
(c) (1) “Mutual aid agreement” means an agreement to establish and carry out a plan to assist in extinguishing fires and preserving life and property by providing fire fighting, rescue, or emergency medical equipment, personnel, and services.
(2) “Mutual aid agreement” includes a reciprocal agreement entered into in accordance with this section and § 7-103 of this subtitle before July 1, 1989.