All buildings and land connected therewith which are used by the department of employment security shall be in the custody of the commissioner of said department. He shall be responsible for the care, maintenance, alterations and repair connected with such buildings and land to the extent of such federal moneys as are granted to said department for the specific purpose, or, in his sole judgment, from the fund provided at N.H. Rev. Stat. § 282-A:140. The provisions of N.H. Rev. Stat. Chapter 228 shall not apply to such buildings and land.