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Objects that are default to any Salesforce environment are extended to provide functionality for contract management. Including (recurring) invoices, automatic contract extensions and contract termination (and a lot more see Functionality Feature list ).
Subscription25 takes care of VAT calculations on top of the contract products by leveraging the default products and price books of Salesforce. Jobs are running that convert a contract product into an order with order products. Orders will be grouped under an invoice.
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