This topic describes the offset rules and offset order for resource plans.
Offset rules
resource plans (prepaid plan) can be used to offset all billable items in Simple Log Service.
A resource plan provides a fixed monthly quota during its validity period. If you use more resources than the monthly quota provides, the excess usage is charged based on the pay-as-you-go billing method.
For example, if you purchase a resource plan of 100,000 Compute Units (CUs)/month with a 3-year validity period, you receive a quota of 100,000 CUs each month for three years to offset your Simple Log Service fees.
Resource plans cannot be used to offset fees for other Alibaba Cloud products.
It resets at the beginning of each month.
Offset order
If you have multiple resource plans, the plan that expires first is applied first.