1. SAP Help Portal
SAP S/4HANA 2023
Central Finance: In the "Configuration for Central Finance" guide
the section on "Mapping" states
"You define mapping in your Central Finance system to transform master data from a source system to master data in the Central Finance system." This explicitly includes cost objects.
2. SAP Learning Hub
Course S4F04 (Central Finance in SAP S/4HANA): Unit "Master Data Governance and Mapping
" Lesson "Configuring Mapping." This lesson details the configuration steps for value mapping which are executed in the Central Finance system's IMG (transaction SPRO).
3. SAP Note 2184567 - Central Finance: Frequently Asked Questions (FAQ): This note clarifies common architectural questions. In the section addressing master data
it confirms that mapping definitions and logic are configured and reside within the Central Finance system itself.