In this IMG activity, you assign a billing plan type and billing relevance 'I' (relevant for order-related billing/billing plan) to the item categories for which you want to create a billing plan. This assignment is necessary for creating a billing plan for the relevant order items.
In the standard system, item category MVN is
configured for periodic billing and item category TAO is configured for
milestone billing.
Specify 'I' for billing relevance and enter a billing plan type for item categories for which you want to enter a billing plan.