Customer InvoicesOverview of the invoicing processOffer cash discountsCash RoundingPayment Terms and Installment PlansDeferred RevenuesCredit Notes and RefundsAdd EPC QR Codes to invoicesSend your Invoices by Post (Snailmail)Customer PaymentsDifferent ways to record a paymentRegister credit card payments on invoicesRegister customer payments by checksBatch Payments: SEPA Direct Debit (SDD)Follow-up on invoices and get paid faster