N.Y. Penal Law § 60.21
Notwithstanding paragraph (d) of subdivision two of section 60.01 of this article, when a person is to be sentenced upon a conviction for a violation of subdivision two, two-a or three of section eleven hundred ninety-two of the vehicle and traffic law, the court may sentence such person to a period of imprisonment authorized by article seventy of this title and shall sentence such person to a period of probation or conditional discharge in accordance with the provisions of section 65.00 of this title and shall order the installation and maintenance of a functioning ignition interlock device. Such period of probation or conditional discharge shall run consecutively to any period of imprisonment and shall commence immediately upon such person's release from imprisonment.
N.Y. Penal Law § 60.21