To post the IRE payback amount with the cash-flow-based posting method, you must make settings in Customizing for Flexible Real Estate Management
(RE-FX) under :
You activate the cash-flow-based posting method for IRE payback at company code level.
You assign the relationship keys of IRE payback to a contract status and the relevant tax code.
For more information about the Customizing settings, see the Customizing documentation in the system.