Overview

You can also change the billing mode later if it no longer meets your needs. Table 2 lists the changeable EIP billing items.

Changing the billing mode does not change the EIPs or interrupt their use.

**Table 1** Change description
Billing Mode Change	Change Scenario	Description
From yearly/monthly to pay-per-use	From yearly/monthly to pay-per-use (billed by bandwidth)	An EIP billed on a yearly/monthly basis can be directly changed to be billed on a pay-per-use basis (billed by bandwidth). You can change a yearly/monthly EIP to be billed on a pay-per-use basis (by bandwidth) after the current subscription expires. For details, see From Yearly/Monthly to Pay-Per-Use (Billed by Bandwidth) upon Expiration. The new billing mode takes effect only after the yearly/monthly subscription expires. You can change a yearly/monthly EIP to be billed on a pay-per-use basis (by bandwidth) immediately. For details, see From Yearly/Monthly to Pay-Per-Use Immediately (Billed by Bandwidth). The new billing mode is applied immediately.
From yearly/monthly to pay-per-use	From yearly/monthly to pay-per-use (billed by traffic)	An EIP billed on a yearly/monthly basis cannot be directly changed to be billed on a pay-per-use basis (by traffic). To change this: Change the EIP to be billed on a pay-per-use basis (by bandwidth). For details, see Yearly/Monthly to Pay-Per-Use. Change the EIP to be billed by traffic on a pay-per-use basis. For details, see Pay-per-Use EIPs: Billing Change Between By Traffic and By Bandwidth.
From pay-per-use to yearly/monthly	From pay-per-use (billed by bandwidth) to yearly/monthly	An EIP that is billed by bandwidth on a pay-per-use basis can be directly changed to be billed on a yearly/monthly basis. For details, see Pay-per-Use to Yearly/Monthly. The new billing mode is applied immediately.
From pay-per-use to yearly/monthly	From pay-per-use (billed by traffic) to yearly/monthly	An EIP that is billed by traffic on a pay-per-use basis cannot be directly changed to be billed on a yearly/monthly basis. To change this: Change the EIP to be billed by bandwidth on a pay-per-use basis. For details, see Pay-per-Use EIPs: Billing Change Between By Traffic and By Bandwidth. Change the EIP to be billed on a yearly/monthly basis. For details, see Pay-per-Use to Yearly/Monthly. The new billing mode is applied immediately.
Pay-per-use EIPs: Billing change between by traffic and by bandwidth	From billing by traffic (pay-per-use) to billing by bandwidth (pay-per-use)	A pay-per-use EIP billed by traffic can be directly changed to be billed by bandwidth. For details, see Pay-per-Use EIPs: Billing Change Between By Traffic and By Bandwidth. The new billing mode is applied immediately. CAUTION: The pay-per-use (billed by bandwidth) billing mode is based on the fixed bandwidth you purchased. If the actual bandwidth used exceeds the purchased one, no extra charges will apply, but the network quality may be affected. You are advised to plan the bandwidth based on actual service requirements.
	From billing by bandwidth (pay-per-use) to billing by traffic (pay-per-use)	A pay-per-use EIP billed by bandwidth can be directly changed to be billed by traffic. For details, see Pay-per-Use EIPs: Billing Change Between By Traffic and By Bandwidth. The new billing mode is applied immediately.

**Table 2** Changeable EIP billing items
Billing Item	Change Description	Reference
EIP bandwidth	An EIP that is billed by bandwidth on a pay-per-use basis can be changed to be billed on a yearly/monthly basis. Pay-per-use EIPs billed by bandwidth can be changed to pay-per-use EIPs billed by traffic, and vice versa. An EIP billed on a yearly/monthly basis can be directly changed to be billed on a pay-per-use basis (billed by bandwidth). For details, see Figure 1.	Pay-per-Use to Yearly/Monthly Pay-per-Use EIPs: Billing Change Between By Traffic and By Bandwidth Yearly/Monthly to Pay-Per-Use