We have the option to buy him and if by some small chance he is banned, his club have agreed that he can be released from his contract and City don't have to pay him anything in compensation.
Of course, if we're sneaky, we could have him train with us, have Acun lend him a few grand to live on and then sign him on a free transfer after his ban.
I won't be surprised if that is already in Acun's mind. We wouldn't have had a chance of signing him otherwise, so as long as any ban is not too long, then it would make sense.