Here we would like to draw your attention to PSA07 transaction code in SAP. As we know it is being used in the SAP CA-JVA (Joint Venture und Production Sharing Accounting in CA) component which is coming under CA module (Cross Application).PSA07 is a transaction code used for PSA Source Company Code Assignment in SAP.
It comes under the package GJPSA.
Transaction PSA07 technical data table
|Purpose||PSA Source Company Code Assignment|