If I understand you correctly, you're asking in the case of the oil sands about the nature of the exceptional circumstances the Prime Minister elaborated on.
On May 21st, 2013. See this statement in context.
On May 21st, 2013. See this statement in context.
Director General, Marketplace Framework Policy Branch, Strategic Policy Sector, Department of Industry
If I understand you correctly, you're asking in the case of the oil sands about the nature of the exceptional circumstances the Prime Minister elaborated on.
See context to find out what was said next.