Canon is really tough to get rebates from. But, you need to follow the instructions at “Canon Rebates”:https://www.web-rebates.com/canon/Main/Default.asp and you can Prequalify on the site which is supposed to save time. Also make sure to really read the instructions about what they want.
# Copy of the dated sales receipt from an authorized dealer (make sure you are not buying grey market or from someone not authorized)
# Copy of customer portion of the Canon USA warranty
# Original UPC Code *and* serial numbers