how do i add a vat number to the sales order

Welcome to the Community, info2362.

You've come to the right place for assistance. I'm happy to provide some info about adding a VAT number field to your sales orders in QuickBooks Online.

To add a VAT number field to a sales order, or other forms in QuickBooks Online, you can use the Custom Form Styles feature to create a custom field. Here are the steps to get this done:

1. Click the Gear icon and select Custom Form Styles.

2. Choose your template (e.g., Standard) and click Edit in the Action column.
3. Select the Content tab, then click the Header section (the top part of the form).
4. Click + Custom field, name it "VAT Number" or "VAT ID", and check the box to display it.
5. Select Done when you're finished.

The following article provides additional info about customizing invoices, estimates, and sales receipts in QuickBooks Online.

Please feel free to drop a comment below if you have any other questions. I'll be here to lend a hand.