New York Laws
Article 570 - Securing Attendance of Defendants Who Are Outside the State but Within the United States--Rendition to Other Jurisdictions of Defendants Within the State -- Uniform Criminal Extradition Act
570.12 - Extradition of Persons Imprisoned or Awaiting Trial in Another State.

state.

When it is desired to have returned to this state a person charged in
this state with a crime and such person is imprisoned or is held under
criminal proceedings then pending against him in another state, the
governor of this state may agree with the executive authority of such
other state for the extradition of such person before the conclusion of
his term of sentence in such other state, upon condition that such
person be returned to such other state at the expense of this state as
soon as the prosecution in this state is terminated.

Structure New York Laws