Client has registered for VAT. In QuickBooks Online I click on Set Up VAT button. This leads to a page entitled Tell us about your VAT. The first question is When do you need to start calculating your VAT from? Underneath is a box with "VAT period start month" and a drop down arrow. This is greyed out and nothing happens when I click in this box.
I cannot proceed to the next page unless this section is completed.
What do I do now?