Thanks for reaching out to us here. It's vital you're able to apply the HST expense on the actual expense line and I'll be glad to steer you in the right direction. QuickBooks is a powerful program that enables you to get your work done faster so you can save time for the things you love.
Based on what you've described, I'd like to make sure I'm on the same page as you. Which sales form are you creating on your end? Have you set up sales tax on your end? Here's a helpful article that shows you how to set up sales tax: