RSA 630:3 Negligent Homicide.

I. A person is guilty of a class B felony when he causes the death of another negligently.
II. A person is guilty of a class A felony when in consequence of being under the influence of intoxicating liquor or a controlled drug or any combination of intoxicating liquor and controlled drug while operating a propelled vehicle, as defined in RSA 637:9, III or a boat as defined in RSA 265-A:1, II, he or she causes the death of another.
III. In addition to any other penalty imposed, if the death of another person resulted from the negligent driving of a motor vehicle, the court may revoke the license or driving privilege of the convicted person for up to 7 years. In cases where the person is convicted under paragraph II, the court shall revoke the license or driving privilege