6. a. It shall be the duty of the commission and its respective subcommittees to:
(1) maintain, monitor, and preserve the architectural, historical, cultural, and artistic integrity of any completed project for the restoration, preservation, and improvement of the State capitol complex and to safeguard any related artifacts, documents, and objects;
(2) maintain custody of the State capitol complex, with exclusive jurisdiction with respect to its management and operation and with consideration for the environmental sustainability thereof, including maintenance, repair, renovation, improvement, security, parking, furnishing, artifact displays, and space utilization;
(3) consult with the Capital City Redevelopment Corporation, established pursuant to P.L.1987, c.58 (C.52:9Q-9 et seq.), regarding matters of common concern; and
(4) (a) adopt and implement, and revise as necessary at least every four years, an environmental sustainability plan for the State capitol complex in accordance with the requirements of section 2 of P.L.2025, c.286 (C.52:31-39.2); and
(b) issue an annual progress report on the implementation of the environmental sustainability plan, which shall be provided to the public upon request and free of charge, and shall be posted on the internet websites of the Governor and the Legislature.
b. The exclusive responsibility to carry out these duties shall repose with the commission with respect to common facilities; the subcommittee on executive branch facility management with respect to executive branch facilities; and the subcommittee on legislative branch facility management with respect to legislative branch facilities.