The Measures for the Administration of Bank Cards have corresponding provisions on this: Article 27 A commercial bank, when acting as an agent for overseas bank card acquiring business, shall charge the settlement fee from the merchants, 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.