Some codes are restricted by region or server. Please look carefully at the code's original description to see if any restrictions apply and make sure to include this information when listing the item.
You MUST disclose any region restriction in the Region / Server Restriction section of the listing details. If you do not do this, the buyer may receive a refund if they are unable to redeem the item.
To cover all bases we also recommend you state the region restriction in the listing title and description. Again, you MUST list any region restrictions in the Region / Server Restriction section. This will prevent any misunderstandings.