Confirmed, Mandats = Leves and Comando Operations = Behests. My bad, just a mistranslation since I don't play the french version of the game I encouter new words from time to time that I'm not entirely sure how to translate.

Official English Translation:
Letter from the Producer LIVE Part III & Q&A Summary (09/27/2012)

Thanks for clearing things up Chinook. Yeah, I carried over my habit of calling the Main Story Line GC Quests "Missions" from FFXI and thought that's what they were referring to, never thought of behests >.> maybe cus I've never done one <.<;