NY 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.
