CRA confirms that it considers the date of disposition of shares to be the settlement date

Notwithstanding the cancellation of IT-133, CRA still considers shares to be disposed of on the settlement date as determined by the rules of the applicable stock exchange, which may be two or three days after the trade date.

Scott Armstrong.  Summary of 6 May 2012 TEI Conference, Q. 5, 2012-0468931C6 under s. 248(1) - disposition.