We're assuming that the T-shirts are infringing, bearing a mark contrary to schedule 1 or 2. Basically, in a case like that, VANOC or the COC or the CPC content by VANOC may apply to the court to get an interim order that will direct the Minister of Public Safety to stop the cargo of T-shirts at the port of Halifax and detain them for a while.
On June 4th, 2007. See this statement in context.