w: What is a payment license?
d: Third-party payment license, also known as the “payment business license”, in order to strengthen the supervision of non-financial institutions engaged in payment business, in June 2010, the officially announced the “Administrative Measures for Payment Services of Non-financial Institutions”. The mother-in-law instructed that the non-financial institution provided the payment service to obtain the "payment business license" in accordance with the regulations before it could become a payment institution. In this case, the third-party payment license came into being.

w: business scope of payment business license
d: You can imagine the payment business license as a business license. They all have business scope. If the business scope is beyond the scope of the business, it is not allowed. So look carefully at the following business types:

1: Internet payment, as the name suggests
2: Bank card receipt (with less than distinction) all do POS, hand brush must
3: Prepaid card issuance acceptance, prepaid card acceptance
4: Mobile phone payment
5: Digital TV payment
6: Fixed telephone payment

Therefore, having a "Payment Business License" does not mean that the company can do it. His business scope is limited. There are 267 payment service licenses in the country, but there are banks in the license business scope. There are only 62 licenses for card collection, including 43 national acquiring licenses and 19 regional acquiring licenses. Others are all in the water management, they are all playing the ball. According to the regulations, only the bank card acquiring authority can be used to do traditional pos, hand brush and other bank card acquiring business. Other Internet payments, yes, yes, many companies only have Internet payment licenses, and there is no bank card receipt permission, but they openly use the hand brush, put the channel and so on, and confuse the audience. Everyone must look at it clearly and do it in mind.

1. What is the limit?
The POS machine limit is common with merchants that settle accounts for private accounts, such as single transaction limits, or single card transaction limits, or daily arrival limits, etc., to make different limit requirements according to different risk control policies of the acquirer to reduce illegal transactions. risk.

2. What is the code hop?
The so-called general hopping code means that the merchant clearly applies for the livelihood industry rate, but the actual consumption statement is the wholesale or other lower rate industry, and the acquirer obtains a higher fee difference profit. Some merchants often wonder why there are no points in the previous consumption or sometimes there are points. This is because the acquirer uses the system to discriminate the transaction amount and transfer the profitable transaction to the capping channel with lower rate. .

The so-called landing merchants refer to the POS machines or card readers that some individuals apply for to brush their own credit cards. If the card issuing bank sees that the card is always in the same merchant, it will be considered as a risky transaction, in order to avoid this. In the case, the acquirer is set in the system, and each transaction can automatically jump to display different merchant names, and the address of the merchant is local. If it does not land, if you jump to the merchants in the country, it will obviously be abnormal consumption in a short period of time, which will affect the use of credit cards.

3. Can the name of the merchant be taken at will?
It is not allowed to start at will. According to the requirements of the trading message specified by UnionPay (the guide for the completion of the Chinese name of the merchant), the name of the merchant is composed of administrative divisions, font size, industry and organization.

4. What is a machine and a code?
The machine that is officially processed is one machine and one code. According to the five-certificate information of the merchant, the merchant mcc code authorized by UnionPay and can be checked is bound to a machine to protect the security of the merchant's funds.

V. Why does the POS machine not check the balance function? Some acquirers close the bank card balance inquiry function in order to prevent malicious testing of the bank card password behavior.

6. What is the cutting machine?
Replace the original bank card acquirer of the POS machine with the new bank card acquirer.

Seven. What is the machine to join the network?
The source of the pos machine terminal generally has two places, or is a custom machine provided by the payment company. The pos machine program belonging to the brand has been installed in the pos machine, or the bare machine sold by the pos terminal manufacturer is provided by the downstream channel. Negotiate the purchase price, and install the pos machine program of the model provided by the payment company, and need to enter the equipment number of these self-contained bare metal into the payment company's system database. Many payment companies support their own channel operators to join the network. However, in fact, according to the UnionPay regulations, such behaviors are likely to cause trade security risks are not allowed.

Eight. What is the bottom secret, what is decryption?
The full name is the underlying key of the pos machine. Generally, the underlying key is a model customized by the third-party payment company in the terminal manufacturer, which is used to protect the program and data transmission security of the POS machine. Decryption, as the name suggests, is to clear the program to facilitate the writing of new programs to facilitate cutting. In most cases, the pos machine with the underlying key needs to replace the chip of the stored program to cut the machine.

9. What is cashing?
It means that the credit card holder uses the POS machine for false consumption, so that the funds in the credit card are transferred to the pos merchant account through “consumption”, and the merchants will transfer the remaining funds to the cardholder after receiving a certain “beneficiary fee”.

X. What is a card?
Cards are those that use the credit card used for personal financing to maintain their own credit card, so that the credit card maintains a good card record to protect the existing quota or to increase the amount according to the card issuer's regulations after a period of time. More activity funds.

XI. What is the connection?
Generally speaking, the POS machine has a non-connected function, which means that a bank card with a chip can be used on a POS machine with a non-contact reading function. This kind of function involves the production cost, so it is generally a non-standard module of the traditional pos machine.

Twelve. What is an electronic signature?
The electronic ticket generated automatically by the POS machine terminal according to the consumption order and provides the function of signature.

13. What is the sn number, device number, serial number?
The product serial number of the pos machine manufacturer for each terminal is generally called the sn number, which is generally printed on the back of the pos machine. The purchaser needs to enter the sn number in the system, and the pos machine can connect with the system background.

14. What is t+1/t+0/, d+1/d+0?
T+1 is the second business day to arrive;
t+0 is the day of the business day;
D+1 is the next day (including rest days, holidays);
d+0 is the day of the year (including holidays, holidays).

Fifteen. What is the withdrawal fee?
Generally refers to the service provided by the acquirer on the same day, the normal situation of the customer's transaction in the merchant pos machine is the next day, that is, t+1 to the account. The merchant needs to arrive at the account on the same day, that is, t+0 or d+0 to the account service, that is, need to apply for cash withdrawal, because the cash withdrawal is for the other party, so a certain percentage of the withdrawal fee is required.

16. What is a foreign currency machine?
It can support the pos machine of foreign visa card (visa master). Most of the companies that apply for it are bar catering, star-rated hotels, foreign trade companies that often go out to exhibit, and industrial enterprises. As far as the pos industry is concerned, there are only two cases of foreign currency pos machines. One is cashing out, and the basic ones are foreign pseudo-card copy cards. One is to raise cards. Currently, there are mobile applications using foreign accounts. Payment software + card reader, and then use the software to locate the mobile phone abroad, to simulate the situation of foreign transactions, spending a few dollars, not to arrive, but some credit card issuers will temporarily increase their credit for credit cards that can be traded abroad. The amount, so some people use this to earn a high fee for the card-raising business, but the credit card is at risk of being blocked.

17. What magnetic stripe card, chip card?
Bank cards generally have two categories, debit cards and credit cards. Debit cards generally refer to savings cards. Credit cards generally refer to credit cards. There are generally three types of technology for storing data information on bank cards. Single magnetic stripe Card, the other is the bank card of the magnetic stripe + chip. Bank cards issued after 2015 are basically single chip cards. After 2014, the People's Bank of China deployed and implemented the national pos machine to close the chip bank card downgrade transaction. At the same time, the bank card with magnetic stripe + chip will only insert the chip and can no longer brush the magnetic strip. The chip card payment will bid farewell to the card, ushing in Card era.

Eighteen. What is the cvv2 code?
The cvv2 code, also known as the credit card security code, is a security code for credit card transactions, usually the last 3 digits of the italicized words printed on the back of the bank card. The cvv2 code is used to verify that the payer does own the credit card at the time of the transaction, thereby preventing credit card fraud. The importance is equivalent to the second password of the bank card.

19. What is a "downgrade transaction"?
Downgrade transaction means: if the bank card chip data cannot be read, the magnetic stripe is degraded, but now the bank gradually closes the downgrade transaction. When the pos is operated, the plugging and brushing sometimes causes the pos to promptly reject the downgrade transaction. .

20. What is the number of the bank?
The Lianhanghao is the only identification mark of a regional bank. It is used for cross-regional payment and settlement services such as the large-value payment system organized by the People's Bank of China, the micro-payment system, the city commercial bank bank draft system, the national check image system (including the city's same-city automatic clearing system). It consists of 12 digits: 3 bank code + 4 digit city code + 4 bank number +1 digit check digit.

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