SLA not passing Order number for custom source when source is used for Invoice Tax.

Hi There ,

For Invoice Tax Distribution:

Business requirement is to generate different Tax account based on the Order Line Type.

In AR SLA , we have defined custom source which uses custom plsql api to generate the account. We are passing the standard source: 'Transaction Line Sales Order' , as parameter for our custom source .

This custom source is used for Account Derivation Rule for the Journal Line Type: Invoice Tax

We have validated the AAD for AR and everything is validated correctly. However when trying to create the account for the invoice. We notice that the parameter value for 'Transaction Line Sales Order' is blank and due to this the account is not generated correctly.