Want to submit my vat but it’s not showing submit? It just shows open what does this mean please

Thanks for checking in to our forum, @andy28,

We haven't got any reports about the missing Submit button when sending VAT returns in QBO. 

Let's try some browser troubleshooting steps to check if this is caused by a web page issue. To do that, open a private or an alternate browser. Check out these keyboard shortcuts:

• Google Chrome: press Ctrl+Shift+N 
• Mozilla Firefox: press Ctrl+Shift+P 
• Internet Explorer: press Ctrl+Shift+P 
• Safari: press Command+Shift+N 

Large data in the cache can potentially cause performance issues in QuickBooks Online. Clear your browser's cache to force the system to refresh, removing any roadblocks that are creating the problem.

Refer to this article for the steps: How do I clear my browser cache and temporary Internet files?

Once done, try submitting the return and see if the Submit button is available this time.

Kindly update me on how things goes on your end. I'll be waiting for your response, and I'm here to assist you whenever you need it. Have a good day!