Looking a bit more into this, I don't see a Canadian NOTAM. Don't take this for legal advice, I may have missed the NOTAM too. A Canadian registered aircraft flying in Canadian airspace over Canada is only expected to follow Canadian rules. The FAA US military and other agencies have no jurisdiction in Canada unless on a joint operation. If it was a joint operation, we'd see a Canadian NOTAM. I'd call up NavCanada's flight service number and see what they say, then probably enjoy a nice afternoon flight. Would certainly be fun and would appease my inner rebel.