New York Laws
Article 11 - Acquisition of Lands by the United States
210 - United States May Acquire Land in Cities.

ยง 210. United States may acquire land in cities. The United States is
hereby authorized to acquire by condemnation, purchase or gift in
conformity with the laws of this state, one or more pieces of land not
exceeding two acres in extent, in any city or village of this state, for
the purpose of erecting and maintaining thereon a public building for
the accommodation of post-offices and other governmental offices in any
such city or village.