Those who are high-risk child sex offenders will have to provide details for any stay outside of the country for any duration, and provide exact details of when they're leaving, where they will be staying, when they're going to return. For any of the others, it's seven days or more.
Evidence of meeting #59 for Justice and Human Rights in the 41st Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was information.
A video is available from Parliament.