Customers with a Canadian service address who would like to automatically draft payments using a credit card may enroll in automatic payments online. If you would like to enroll in automatic payments using a checking or savings account, please download the Pre-Authorized Payment Form, either in PDF (Portable Document Format) or XLS (Microsoft Excel) using the link below. Send the completed form via mail, email or fax.
Complete and return to:
WMSC, PO Box 4713, Houston TX 77210-4713
Once enrolled, you will be notified via email with an electronic copy of your bill and the date your payment will be securely deducted from your bank account or charged to your credit card.