Armand hands Hubert his passport with the name of Emile Cousin. Hubert opens it and reads the first page. in the next shot, a boarding pass is in the passport.
OSS 117 is going to the SDECE offices (French intelligence service in the 70's) near the Eiffel Tower. The intelligence service offices were, and still are, boulevard Mortier, in the south of Paris, quite far from the Eiffel Tower.
Jean Bruce's OSS 117 is a non-smoker.
Jean Bruce's OSS 117 is American from French ancestry. He was born in Louisiana and is an agent of the CIA, former OSS, and certainly not working for the French intelligence service.