I think the question would be best posed to the department. I can't really speak for the department. However, my understanding is that using 20 years was the normal practice of the department.
On April 26th, 2012. See this statement in context.
On April 26th, 2012. See this statement in context.
Auditor General of Canada, Office of the Auditor General of Canada
I think the question would be best posed to the department. I can't really speak for the department. However, my understanding is that using 20 years was the normal practice of the department.
See context to find out what was said next.