It is possible in the process of a verification to ask for a laboratory sample.
On June 1st, 2006. See this statement in context.
On June 1st, 2006. See this statement in context.
Acting Director General, Trade Programs Directorate, Admissibility Branch, Canada Border Services Agency
It is possible in the process of a verification to ask for a laboratory sample.
See context to find out what was said next.