Our payment terms are provided in your invoice. If the invoice should not carry our payment terms, the following payment terms apply: Upon receipt of the invoice by the customer, the invoice amount is to be paid in full by bank transfer using IBAN and BIC to one of the bank accounts of Koeltz Botanical Books provided on the invoice. We accept credit cards (VISA, AMEX, Mastercard) for payment of our invoices. We accept payments by PayPal to our dedicated PayPal account acc0unts@koeltz.com (the fourth digit is a zero) for payment of our invoices.