So not only is it an incentive, for instance, for companies to comply on the basis of their own safety record, and of course for public perception, but it is probably far more cost-effective for them to comply up front on an ongoing basis, because they don't have to worry about the paperwork with Transport Canada and ongoing safety problems.
Evidence of meeting #18 for Transport, Infrastructure and Communities in the 39th Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was rail.
A recording is available from Parliament.