N.Y. Correct. Law § 800

§ 800. Applicability. The provisions of this article shall apply, to\nthe exclusion of all other provisions of this chapter relating to good\nbehavior allowances, where sentence has been imposed pursuant to the\nprovisions of the penal law as enacted by chapter ten hundred thirty of\nthe laws of nineteen hundred sixty-five, as amended, or where the\nsentence is a reformatory sentence of imprisonment. Matters not\nexpressly covered herein or covered in such penal law shall be governed\nby such other provisions of law as may be applicable.\n