Railway companies are required to maintain their lists. Bill C-11 provides that when a company wants to make changes to a list, either by adding or removing elements, it has to notify the agency, Transport Canada, as well as communities through which the railway runs. This is becoming clearer. The railway has to be on the list for a period of 12 months, giving sufficient time to notify the people concerned.
On September 26th, 2006. See this statement in context.