N.Y. State Law § 54: Exemption of property from state taxation

§ 54. Exemption of property from state taxation. The said property

shall be and continue forever thereafter exonerated and discharged from

all taxes, assessments and other charges, which may be levied or imposed

under the authority of this state; but the jurisdiction hereby ceded and

the exemption from taxation hereby granted, shall continue in respect to

said property so long as the same shall remain the property of the

United States, and be used for the purposes aforesaid, and no longer.