Quote Originally Posted by LYK08 View Post
I'm pretty sure they already do that.

The thing is, if we made owning the permit a requirement to trade, making alts would not work as both parties need a permit to trade.

If the main account lost the permit due to macro, the alt account would not be able to transfer the sellables to the main account even though the alt account has a permit.
I just think that the best way to handle macro users is the way that iKai suggested.