Let me share insights regarding sending email notifications for your recurring sales receipt payments, @KSMiller.
When setting up recurring sales receipts, you will prompted to enter the customer's email address and given the option to enable automatic email sending. This feature ensures that customers receive email notifications for upcoming recurring charges. Therefore, your customers will be the ones to decide if they will accept the charges on their end.
I'm also adding this article if you need help setting up automatic payments: Set up Autopay for recurring invoices in QuickBooks Online.
Please let us know if you have other queries about recurring transactions. I'm here to help. Take care.