How can add the vat details in the purchase bill

Good day to you, @razik-aaconsulta. I'll show you how to add VAT to your purchase bill in QuickBooks Online (QBO).

The first thing to do is turn on the feature. Here's how:

1. Go to Taxes.
2. Click the Setup tax button.
3. Hit Next, then set up your VAT settings.
   
   

Once done, you can now start adding VAT to your bills. You can view the screenshot below for your reference:

If you need further guidance regarding the setup? Please refer to this article: How do I set up sales GST/VAT rates and use them on forms? (International QBO).

On top of that, you can review these handy resources if you need more insights about VAT: Setup VAT in QuickBooks Online.

I'm just a post away if you have any other concerns about VAT in QBO. Have a great day ahead!