The Measures for the Administration of Bank Cards have corresponding provisions on this:

Twenty-seventh commercial banks should charge settlement fees to merchants for overseas bank card acquiring business, and the charging standard shall not be less than 4% of the transaction amount.

Domestic banks sign credit card agency acquiring agreements with overseas institutions, and the profit sharing ratio is 37.5% and 62.5% of the merchant handling fees paid by domestic banks and overseas institutions respectively.

Extended data:

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Relevant laws and regulations of the Measures for the Administration of Bank Cards:

Article 55? The bank settlement account opened by the depositor in the name of the company is the bank settlement account of the company. Unit bank settlement accounts are divided into basic deposit account, general deposit accounts, special deposit accounts and temporary deposit accounts according to their purposes.

When an individual loses, replaces the reserved personal seal or changes the signer, he shall issue a written application with signature confirmation to the bank where the account is opened, and attach the original reserved seal or the personal identification certificate of the signer. The bank shall keep the corresponding copy, and handle the change of the reserved bank signature accordingly.

Article 56? The quasi-system shall be implemented for depositors to open basic deposit account, temporary deposit accounts and special deposit accounts for budget units, which shall be approved by the People's Bank of China, and the account registration certificate shall be issued by the deposit bank. However, depositors need to open a temporary deposit account for registration and capital verification.

Baidu Encyclopedia-Bank Card Management Measures