Further confirmation... Just purchased a new Sun Pass and had to agree to the following terms and conditions prior to purchase.
Flight Pass to the Sun - East 6 credits: All flight credits must be used and travel must be completed by Friday December 29, 2006 . Flights are booked based on Latitude "U" class and is subject to availability. Changes are permitted for C$30/ US$22 plus taxes, subject to availability. A fee of C$30 for each reservation cancelled applies. Complimentary changes at airport on day of departure subject to availability. Complimentary advance seat selection when transaction done online. A fee may apply for seat selection or other services which can be done on aircanada.com when transacted through an Air Canada call centre.
Flight Pass is not refundable in part or in whole. All Flight Credits unused at end of validity period will be cancelled. Flight Pass and/ or tickets booked are not transferable. Flight Credits are only available on ET eligible flights operated by Air Canada and AC Jazz.
Aeroplan miles are earned at the rate of 100% of actual miles flown, with a minimum of 250 Aeroplan miles. Aeroplan North America, System-wide or Special System-wide upgrade certificates may be used in conjunction with this Flight Pass. Check Aeroplan upgrade certificate for details. No other upgrades apply.
Flight connections displayed in My Flight Pass Bookings are the only connections eligible for booking flight credits.