The enterprise applies to the bank for a comprehensive credit line of 1 100 million yuan, and has handled the enterprise bank card, then the monthly overdraft balance of the same account of the enterprise bank card shall not exceed. Different banks have different rules. Taking ICBC as an example, ICBC brings the credit line of corporate cards into the unified management of comprehensive credit, which does not exceed 3% of the unit's comprehensive credit line. The monthly overdraft balance of the unit with undetermined comprehensive credit line shall not exceed 654.38 million yuan (including equivalent foreign currency).

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