Here we would like to draw your attention to PSA22 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).PSA22 is a transaction code used for Source Assignment to Calc Type in SAP.
It comes under the package GJPSA.
Transaction PSA22 technical data table
|Purpose||Source Assignment to Calc Type|