Why it matters
The measures target Iranian oil, shipping and financial entities, which could affect trade and firms dealing with them. The article does not report a direct effect on U.S. companies, energy prices or supply.
What happens next
The article does not give an effective date, specific restrictions or details on enforcement. It is unclear whether Canada or other governments will take further action.
The scope, timing and enforcement details of Canada's sanctions.
Any response from Iran or further measures by other governments.