An identification number in SAP Business One that is assigned to customers.
The customer reference number serves as a link between payments and the customers who made them.
The customer reference number is therefore used to specify an external reference number, e.g. the customer's order number, and helps to uniquely identify documents.
- in the customer order it is displayed in the "Customer reference number" entered.
- With Service calls can be entered in the "Business partner ref. no." a reference number can be stored.
- In incoming invoices the external document number is entered in the "Supplier reference number" recorded and in "Ref. 2" displayed.
- In a XInvoice the "Route ID" in the field "Customer reference number" must be specified.
- If follow-on documents consist of several base documents, the reference number is only visible if it is contained in the base documents.
E-Invoicing 2026: From Receipt to Mandatory Issuance — what SMEs must clarify now
From 1 January 2025, every B2B company in Germany must be able to receive electronic invoices — regardless of turnover. One and a half years...
Simple Identity and Authentication Management
With Feature Pack 2602 for SAP Business One 10.0, SAP is extending Identity and Authentication Management (IAM) with several functionalities, ...
SAP B1 10.0 FP2602: Process Maps, Reports and Webhooks
With Feature Package 2602, SAP Business One 10.0 enhances the platform in several crucial areas. Users will receive visual process maps ...
New in SAP Business One 10.0 FP2602 — CRM, Sales, and Purchasing
SAP Business One 10.0 Feature Package 2602 introduces targeted improvements in three key areas: CRM, Sales, and Purchasing. From Excel import ...
SAP Business One Road Map 2026
In March 2026, SAP published the latest SAP Business One Road Map for SAP Business One. It shows where ...
SAP Business One Roadmap: 5 surprising truths
When small and medium-sized enterprises (SMEs) think of SAP Business One, one image often comes to mind: a ...
