It is illegal to brush 399 when the pos machine is activated. Vigilance * * is implemented by activating the POS machine. Under normal circumstances, POS machine activation does not require any credit card fees. When buying a POS machine, be sure to confirm the personal information of the salesperson, and it is best to keep the ID card. Before buying a POS machine, be sure to check whether the other party has a payment license issued by the state. Don't consider an unlicensed company, no matter how grandiose the agent says.

After buying a POS machine, you can test a penny transaction first. After the funds arrive the next day, log in to the online banking to check whether the payer information is the acquiring institution. If the payer is an individual or a third-party payment company, you may encounter * *.

Regular payment companies have official independent backgrounds. After purchasing the POS machine, you can open the background to check the binding information to see if the ID card and credit card bound by the POS machine are your own. Consciously * * use POS machines to help people "cash out" for profit. This kind of behavior is a false transaction, which undermines the normal financial order. If the circumstances are serious, criminal responsibility may be investigated for the crime of illegal business operation.

For the above contents, please refer to Zhangjiagang Municipal Government-Alert * * Early warning by activating POS machines.