Originally Posted by FTraveler
IIRC, even PMs and other SkyTeam Elite Plus members cannot use the BE lounge on an international itin unless traveling in BE or business class on another SkyTeam carrier. An exception is the lounge in Terminal 2 at JFK which serves as a combo BE/CRC lounge.
If you look at this website it says any Elite Plus member has lounge access regardless of COS flown. That doesn't mean that you won't encounter the occasional snotty zealous lounge attendant, though.