As you engage with the Community forum, I recognize that managing the invoice template for credit card payments matters to you, @brenda80. Allow me to offer some insights and clarification on this concern.
If you're referring to the HST (ON) label in the bottom right corner of the subtotal on an invoice, please note that this is not editable. The sales tax applied to the item will correspond to the amount displayed in the sales tax section of the subtotal.
Please refer to the attached screenshot for a reference:

If you are referencing something different, I recommend attaching a screenshot and providing more description of your concern. It will enable us to understand your objectives more and offer precise guidance to assist you in resolving them.
Once you receive a payment from a customer, it's essential to record it in QuickBooks to ensure the invoice is marked as paid. The invoice will remain open and appear unpaid in your reports if not recorded.
If you require further assistance, return to this thread, provide a screenshot, and include additional details about your concern, @brenda80. We are here to ensure you receive the necessary support for managing invoices. Wishing you continued success in all your endeavors.