Why does my UTR number appear as VaT registration on invoice?

I can help you figure this out, pauloxbow-hotmai.

It could be that you've entered your UTR number in the Companies House Registration Number (CRN) field. That's why it's picked up as VAT number on the invoice. Let's check it out:

1. Go to Settings and select Account and settings.
2. Select Company tab.
   

Here are some resources you can read about customizing sales forms and adding custom fields for your future reference:

• Customise invoices, estimates, and sales receipts in QuickBooks Online.
• How to add custom fields to sales forms and purchase orders.

Keep me posted on how the steps work. I'll be right here if you have follow-up questions.