Check the answers here for your frequently asked questions about QuickBooks eInvoicing.

 
IMPORTANT: If you need assistance with any of these following issues, please contact the invoice sender.
  • Questions about the products or services on the invoice
  • If online payment is not available
  • Credit card or ACH availability
  • Changing payment amount
  • Changing payment terms
  • Refunds or if you paid in error and want to cancel
  • To make a payment by phone
  • Your payment history on other invoices from the same sender
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