New York Consolidated Laws, Correction Law - COR § 168-t. Penalty

Any sex offender required to register or to verify pursuant to the provisions of this article who fails to register or verify in the manner and within the time periods provided for in this article shall be guilty of a class E felony upon conviction for the first offense, and upon conviction for a second or subsequent offense shall be guilty of a class D felony.  Any sex offender who violates the provisions of section one hundred sixty-eight-v of this article shall be guilty of a class A misdemeanor upon conviction for the first offense, and upon conviction for a second or subsequent offense shall be guilty of a class D felony.  Any such failure to register or verify may also be the basis for revocation of parole pursuant to section two hundred fifty-nine-i of the executive law or the basis for revocation of probation pursuant to article four hundred ten of the criminal procedure law.