The key thing is that it is not when it's assigned.
On March 20th, 2017. See this statement in context.
On March 20th, 2017. See this statement in context.
March 20th, 2017 / 4:30 p.m.
Commissioner of Revenue and Chief Executive Officer, Canada Revenue Agency
The key thing is that it is not when it's assigned.
See context to find out what was said next.