There was once a provision in the bill—and it is still there for the moment—that indicated that nothing in the legislation affected the retention or disposal of information. An amendment to that effect has just been passed. That is why these words must be taken out of the bill. If they are not, there will be a contradiction.
Evidence of meeting #108 for Public Safety and National Security in the 42nd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was debate.
A recording is available from Parliament.