1. SAP Help Portal
SAP S/4HANA (2020)
"Integration of Subscription Order Management with Convergent Charging": This official documentation states
"When a subscription contract is created or changed in Subscription Order Management
the contract is distributed to the connected systems. A provider contract is created in SAP Convergent Charging and SAP Convergent Invoicing." This confirms the creation of a Provider Contract in CC.
2. SAP Help Portal
SAP Convergent Charging 2020
"Core Tool > Data Management > Customer Master Data > Provider Contract": The documentation defines the Provider Contract as the central customer master data object in SAP CC. It explicitly mentions that "A provider contract is created in SAP CC when a business partner subscribes to a service or a product proposed by the service provider. The provider contract is sent by a CRM application or another provisioning system connected to SAP CC." In this context
S/4HANA is the provisioning system.