1, charged according to a certain proportion of the transaction amount. The handling fee of the bank receipt code is usually charged according to a certain proportion of the transaction amount. The charging standards of different banks may be different. Generally speaking, the commission rate is between 0.2% and 0.5%. For example, the transaction amount is 100 yuan, and the handling fee is 0.5% in 0.5 yuan.

2. Charge part according to the number of transactions. Banks also charge according to the number of transactions. Under this charging method, every transaction will generate a certain handling fee, regardless of the transaction amount. For example, 2 yuan's handling fee is charged for each transaction, so the handling fee for 10 transaction is 20 yuan.

3. Free or preferential policies. In order to attract merchants to use bank payment codes, some banks will introduce free or preferential policies. For example, provide newly registered businesses with a period of free use, or waive handling fees for a specific period of time. In addition, some banks also offer preferential policies of discount or fee reduction for large-value transactions.