Perhaps my colleague Ms. McCardell may speak to the others.
We've absolutely worked very closely. In fact, ministers have made multiple representations and statements at ICAO exercising our concerns and describing what we would like to see from Iran—all the way from clear, transparent investigation to turning over the black boxes. There were a number of different areas with respect to compliance with its international obligations, not only to annex 13, but to ensure that civil aviation is safe in that country.
Perhaps Ms. McCardell would like to supplement that answer.