253. Every one commits an offence who operates a motor vehicle or vessel or operates or assists in the operation of an aircraft or of railway equipment or has the care or control of a motor vehicle, vessel, aircraft or railway equipment, whether it is in motion or not,
(a) while the person's ability to operate the vehicle, vessel, aircraft or railway equipment is impaired by alcohol or a drug; or
(b) having consumed alcohol in such a quantity that the concentration in the person's blood exceeds eighty milligrams of alcohol in one hundred millilitres of blood.
255. (1) Every one who commits an offence under section 253 or 254 is guilty of an indictable offence or an offence punishable on summary conviction and is liable,
(a) whether the offence is prosecuted by indictment or punishable on summary conviction, to the following minimum punishment, namely,
(i) for a first offence, to a fine of not less than six hundred dollars,
(ii) for a second offence, to imprisonment for not less than fourteen days, and
(iii) for each subsequent offence, to imprisonment for not less than ninety days;
(b) where the offence is prosecuted by indictment, to imprisonment for a term not exceeding five years; and
(c) where the offence is punishable on summary conviction, to imprisonment for a term not exceeding six months.
(2) Every one who commits an offence under paragraph 253(a) and thereby causes bodily harm to any other person is guilty of an indictable offence and liable to imprisonment for a term not exceeding ten years.
(3) Every one who commits an offence under paragraph 253(a) and thereby causes the death of any other person is guilty of an indictable offence and liable to imprisonment for a term not exceeding fourteen years.