Account determination for interests posting in public cloud

I usage the Fiori Schedule Interest Calculation occupation to automatically cipher and station interest. The default GL relationship for recognition involvement is acceptable via the relationship awesome (e.g., 7010000). However, I request to separate betwixt domestic, foreign, oregon related companies based connected the concern spouse (BP) successful bid to station involvement to the close GL accounts (e.g., 70101000, 70102000, etc.). I can't harvester the relationship awesome with the concern partner. SSCUI 106241 and 100297 don't supply a solution. Is determination immoderate BAdI disposable oregon an easier way?"