The area in the city of Concord bounded by Pleasant, Fruit, Clinton, and South Spring streets, excluding any privately owned land and buildings, and also excluding the 2 stand-alone parcels known presently as city of Concord tax map 37, block 6, lots 17 and 19 together with the buildings and other improvements situated on such parcels, and known as the main campus of the New Hampshire hospital shall remain in its entirety the property of the state of New Hampshire, except such land as determined necessary for use by the city of Concord for approved municipal services may be conveyed in accordance with N.H. Rev. Stat. § 10:4 unless N.H. Rev. Stat. § 227-C:6 applies. If N.H. Rev. Stat. § 227-C:6 applies, such land shall be conveyed in accordance with N.H. Rev. Stat. § 227-C:9. The commissioner of administrative services, with the approval of the long range capital planning and utilization committee, shall designate the use of and be responsible for maintaining, with the exception of the interior maintenance and maintenance of grounds of certain properties pursuant to N.H. Rev. Stat. § 21-I:11, I(c)(1), and leasing any buildings on the main campus of the New Hampshire hospital in accordance with the following priorities: (1) department of health and human services and its lessees, (2) state departments, and (3) other government or nonprofit organizations performing a state-related function. N.H. Rev. Stat. Chapter 10 shall not apply to the 2 stand-alone parcels known presently as city of Concord tax map 37, block 6, lots 17 and 19 or any building or other improvements situated on such parcels, and any proposed disposal of either or both of such parcels shall be subject to the provisions of N.H. Rev. Stat. § 4:40.