/visma-net-erp/help/inventory/manage-stock-and-non-stock-items/add-bar-code-to-stock-item section You can use product bar codes as alternative identifiers for stock items to be able to use a scanner to, for example, add the item to a purchase receipt. 2026-02-19T17:09:06+01:00 # Add bar code to stock item You can use product bar codes as alternative identifiers for stock items to be able to use a scanner to, for example, add the item to a purchase receipt. You can enter bar codes for items manually or by scanning them. The scanner converts the scanned bar code to an alphanumeric string that is immediately visible in the appropriate box as if it had been typed. ## How to add a bar code for a stock item 1. Go to the [Stock items (IN202500)](/visma-net-erp/help/inventory/inventory-windows/stock-items-in202500/) window. 1. Go to the **Cross-reference** tab. 1. Click  to add a new line. 1. Select **Barcode** in the **Alt. item ID type** column. 1. Enter the bar code in the **Alt. item ID** column, either manually or by using a scanner.