When customer invoices for which gross income accounting applies are posted to the general ledger, you can access the gross income accounting posting when viewing the posted invoice in Customer Invoice View (27.1.1.3). In the CI Posting tab of Customer Invoice View (27.1.1.3), right-click in the sales account posting line and click Go To Gross Income Accounting.

The gross income accounting posting then opens in Journal Entry View (25.13.1.3).

From the gross income accounting posting, you can right-click and select Go To Gross Income Accounting again to view the source sales posting.