N.Y. State Law § 53: Concurrent jurisdiction as to service of process

§ 53. Concurrent jurisdiction as to service of process. The said

jurisdiction so ceded shall be upon the express condition that the state

of New York shall retain a concurrent jurisdiction with the United

States on and over the property and premises so conveyed, so far as that

all civil and criminal process, which may issue under the laws or

authority of the state of New York, may be executed thereon in the same

way and manner as if such jurisdiction had not been ceded, except so far

as such process may affect the real or personal property of the United

States.