N.Y. Const. art. III, § 25

Notwithstanding any other provision of this constitution, the legislature, in order to insure continuity of state and local governmental operations in periods of emergency caused by enemy attack or by disasters (natural or otherwise), shall have the power and the immediate duty (1) to provide for prompt and temporary succession to the powers and duties of public offices, of whatever nature and whether filled by election or appointment, the incumbents of which may become unavailable for carrying on the powers and duties of such offices, and (2) to adopt such other measures as may be necessary and proper for insuring the continuity of governmental operations. Nothing in this article shall be construed to limit in any way the power of the state to deal with emergencies arising from any cause.