(1) Except as provided in subsection (b), a chief law enforcement officer of a state or local law enforcement agency may develop and implement policies and guidelines regarding the use of marked law enforcement vehicles by off-duty law enforcement officers for travel to and from vulnerable locations in order to project an enhanced security presence while at such locations.
(2) A chief law enforcement officer shall not develop or implement policies or guidelines in accordance with subsection (a) without the express approval of: With respect to a local law enforcement agency, the executive head or legislative body of the local government, as applicable, vested with the authority to direct such chief law enforcement officer; and
(3) With respect to a state law enforcement agency, the executive head of the state department or agency within which the state law enforcement agency is created.
(4) For purposes of this section, “vulnerable locations” includes places of worship, schools, and parks.