When ordering from a supplier they will often require your customer number (also referred to as header code for online orders). This field can be found in the Supplier details.
From the main menu:
- 2 Stock control, 7 Maintain suppliers
- Type in the first few letters of the supplier you are going to edit and press the Enter key
- Select the required supplier from the drop down list by using the arrow key and then press enter
- Look for the field called Customer no.
- In this field either add or edit your unique customer number for that supplier.