Consumption installment refers to applying for installment for your single consumption 1000 yuan two days before the bill date after consumption, one by one. So if you want to apply, you can apply after the transaction record and two days before the billing date.
Bill installment refers to applying to CCB for installment payment of bill consumption from the billing date to the final repayment date (once every 30 days). However, the maximum application amount does not exceed 90% of the total consumption in the billed bill (excluding cash withdrawal, installment payment and other transactions stipulated by CCB), which is the whole bill application. So the application time is from the day after the bill date to the final repayment date.
There is also a fee discount for applying for bill installment before July 20 15+0. You can log on to the credit card website of CCB and click on these two issues to learn more.