N.Y. Correct. Law § 89-b

§ 89-b. Good behavior time allowances against definite sentences\nserved in alternate correctional facilities. Notwithstanding any other\nprovision of law, the commissioner shall be authorized to grant,\nwithhold, cause to be forfeited, or cancel time allowances as provided\nin and in compliance with section eight hundred four of the correction\nlaw.\n