We are pleased to accept your debit or credit card for payment. We use PayPal to process your payment free of charge. Please enter your name and the Invoice number (if known) and then click the "Pay Now" button. You will then be directed to a secure and encrypted PayPal page to process your payment (you will enter the payment amount on the PayPal page). PayPal is FREE and you do not have to create an account. Once your transaction is completed you will be returned to the GreenStar website.