Subject to subsection (c) of this section, the Department has statewide jurisdiction over and full police authority for the enforcement of the criminal laws and the parking and motor vehicle laws as to the operation, maintenance, and protection of: State–owned or State–leased buildings and grounds and extending to the surrounding area that encompasses 2,000 feet in any direction from the boundary of those buildings and grounds; and other public improvements or grounds designated by law or by the Board of Public Works. Subject to paragraphs (2) and (3) of this subsection, and in addition to the powers conferred under subsection (a) of this section, a police officer of the Maryland Capitol Police within the Department may investigate and otherwise enforce statewide the criminal laws, Title 12 of the Criminal Procedure Article, and parking and motor vehicle laws. If a police officer of the Maryland Capitol Police within the Department exercises the powers granted under paragraph (1) of this subsection, notification of the investigation and enforcement shall be provided: to the Secretary of State Police or the designee of the Secretary, reasonably in advance of the investigation or enforcement, unless an emergency or exigency exists; and to the following, as applicable, after the investigation or enforcement: the chief of police of a law enforcement agency listed in § 1–101(c)(1)(ii) of the Public Safety Article or the designee of the chief of police; in a county in which the Department of State Police provides general law enforcement: the commander of the local barracks for the Department of State Police or the designee of the commander; and the Secretary of State Police or the designee of the Secretary; in Baltimore City: the Police Commissioner or the designee of the Police Commissioner; and the Sheriff or the designee of the Sheriff; and the Secretary of State Police or the designee of the Secretary; the Chief of Police of the Maryland Transit Administration Police Force or the designee of the Chief; the Chief of Police of the Maryland Department of Health Secured Transport and Investigation Unit or the designee of the Chief; and the Superintendent of the Maryland Department of Natural Resources Police or the designee of the Superintendent. Notification required under paragraph (2) of this subsection shall be made in accordance with adopted State regulations, policies, procedures, and memoranda of understanding. Consistent with Article 8 of the Maryland Declaration of Rights, with respect to State legislative buildings in the City of Annapolis, the presiding officers of the General Assembly shall have final authority over the use of and access to the buildings by the members of the General Assembly, their staff, and Department of Legislative Services personnel.