Mmm yea, I'm pretty sure hacked Mons aren't allowed over there, but I'm not sure what the specifics are on that rule. I'd check the rules thread in the Quick Trades area, and check with one of the trade corner mods, Keiran or Omicron if you have any specific questions. 6th gen has all kinds of checksums it uses to detect hacked Pokemon, so trading them can be pretty unpredictable depending on how they were hacked.
So yea, I'd just check with the Trade Corner mods, they should know tons more than I do :)
So yea, I'd just check with the Trade Corner mods, they should know tons more than I do :)