1. In the POS machine industry, various merchants have their own special codes. In the industry, they are referred to as MCC codes, which are generally represented by 4-digit *** numbers, such as: department stores, clothing, hardware, catering, KTV, etc., their codes are different. The industry is divided into general category, catering and entertainment category, people's livelihood category, wholesale category, etc. Among them, the livelihood category has the cheapest handling fee, followed by the general category, the catering and entertainment category has the highest, and the wholesale category Can be used as capping machine. When the cardholder successfully swipes the card at the merchant's POS machine and makes a purchase, a receipt will be printed, with the merchant number on it. The 8th to 11th digits (4 digits) are the MCC code of the merchant's POS machine. This code corresponds to is the industry in which merchants operate, the handling fee for people's livelihood type is 0.38, the general type is 0.78, the dining and entertainment type is 1.25, some POS machines

2, MCC merchant category code, set uniformly by China UnionPay The classification codes used by various payment institutions and banks, together with other specific information, form the merchant number of the merchant's POS machine. Different numbers represent different fees. It can analyze industry transactions and facilitate bank risk control.

3. The credit card swiping rates for the three main existing credit cards are: standard rate: 0.6 (current bank cash withdrawal rate), for example: catering, entertainment, hotels, gold jewelry, department stores, etc.; reduced rate ( People's livelihood category), rate: 0.38-0.48, for example: supermarkets, gas stations, ****, etc.; public welfare category

4, set by the acquirer for contracted merchants, used to indicate UnionPay card transactions The environment, the main business scope and industry affiliation of the merchants are the main basis for judging the settlement fee standards of merchants in domestic cross-bank transactions; it is also one of the important basic data for conducting UnionPay card transaction industry analysis and reporting, and UnionPay card business risk management and control. .

The merchant number of POS machine is 15 digits. The meaning of the number is: institution code (3 digits), area code (4 digits), merchant type (4 digits), merchant sequence number (4 digits). Operating environment: Baifu POS machine P80:

1. Components:

1, 1-3 acquirers, 4-7 administrative regions, 8-11 merchant types , the last 4 bits are random codes.

1-3 acquirers (PoS payment companies):

The first three represent the acquirer, which can be a bank or have a "Payment Business License" issued by the People's Bank of China 》Payment institution.

4-7 digit administrative region:

These four digits are the administrative division code. This code is consistent with the first four digits of the ID card number and is accurate to the city.

8-11 digit merchant type:

These four digits represent the POS merchant code, also called the MCC code, which is a data that industry insiders are more concerned about. This code is directly related to your card swiping. Are there any points?

Second, in addition, the acquirer’s code hopping and coding behavior also targets the merchant type MCC code.

The last 4 digits are random codes:

It has no practical meaning, mainly to distinguish merchants.

When an acquiring agency signs a contract with a special merchant, it should investigate and understand the merchant's actual main business, business scope and operating conditions to ensure that the merchant has a good operating reputation and a stable financial situation.