Secondly, you have evidence to cancel the transaction, not to mention worry. If you have the contact information of the other merchant, you can contact the merchant first to confirm whether the transaction has been successfully cancelled for you. If successful, you can call the bank again and ask the bank to initiate an inquiry. This makes perfect sense. Fax your voucher at the same time. This is very important. Don't lose it. If the bank doesn't agree, you can contact the media, the regulatory authorities and send it to Weibo. . . . . .
Finally, if the merchant wants to default, there is even more reason to find a bank. The steps are the same as above, and you can contact the corresponding consumer network institutions (such as UnionPay, VISA, MasterCard and JCB). . . . Please see your own purchase order) Complain as much as possible about the business (if you have time).
Generally, it takes a long time to inquire about foreign objection transactions, at least several months. Just wait patiently. At the same time, you can apply for this money to register disputes, so that this money will not be returned for the time being, so that your credit history will not be affected. Another reminder, please make sure that your money has never been used, otherwise once it is verified that it is my consumption, the interest will be calculated after the dispute is resolved.
That's all, no matter which bank, it is roughly the above process.