Canadian Aviation Regulations

604.22 For the purposes of section 602.122, a person may conduct an IFR flight where an alternate aerodrome has not been designated in the IFR flight plan or in the IFR flight itinerary, if

• (a) the person is authorized to do so in a certificate;

• (b) the person complies with the requirements set out in section 624.22 of Standard 624; and

• (c) for an international flight or a flight in Northern Domestic Airspace, the aircraft carries a fuel reserve of five per cent of the fuel required under section 602.88.