Set up external document number check mode

Essentials  •  Article  •  4/22/2026  • 

The External Document No. Check Mode field controls when mandatory validation for external document number is applied on sales documents.

To configure this functionality, follow these steps:

  1. Select the Search icon , enter Sales & Receivables Setup, and then choose the related link.
    The Sales & Receivables Setup page opens.

  2. On the General FastTab, turn on the Ext. Doc. No. Mandatory toggle to define the external document number associated with the sales document.

  3. In the External Document No. Check Mode field, select the desired value. The available options are:

    • On Posting: validates external document number during posting.
    • On Release: validates external document number during release.

    This field is editable only when the Ext. Doc. No. Mandatory toggle is turned on.