Bank of Communications has set up two different credit card limits, which can be shared without prior notice. The so-called shared line is:

The so-called "shared line" means that all credit cards held by the same cardholder use a common line;

For example, if you hold five credit cards of a bank with a credit line of 10000 yuan, then the shared credit line of these five credit cards is 10000 yuan. When you overdraw 2000 yuan with one card, you can overdraw 8000 yuan with the other four cards.

Credit line sharing means that credit cards of the same bank and brand share the same credit line (generally the highest credit line for one card). Although several cards have their own credit limits, the total overdraft in use cannot exceed the shared credit limit of the brand credit card.