This article covers the Prepay model only. For the Postpay model, see Particular aspects of charges within the Postpay charging model.
For the most of the billing types, when a subscription plan was switched (see Switching a plan), the platform performs the following actions:
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Delete charges for the current billing period of the service usage, together with all other charges of the same type for the future periods.
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Delete charges for the current billing period of the resource usage, together with all other charges of the same type for the future periods.
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Create and close a charge for the actual period of the service (resource) usage in the current billing period.
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Create and refund a charge for the unused period of the additional resource quantity in the current billing period.
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Refund to the account balance the amount of the blocked charges for the unused period of the service usage in current billing period without creating charges for a refund.
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Create charges for the new plan.
In the context of charges deleting, the plan switching is a combination of the following operations:
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Delete all subscription resources (see Splitting of charges when the resource quantity is reduced).
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Delete the subscription (see Splitting of charges when a subscription is deleted).
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Create a subscription to the new plan.