Notify Us in Case of Errors or Questions About Your Payment. If you think your billing statement is incorrect, you made an online payment by mistake, or you have overpaid your account, contact us at:
1040 Indianhead Drive
Mosinee, WI 54455
Contact us as soon as possible. We must hear from you no later than 60 days after the payment in question occurred.
Provide the following information. Your name, customer number, invoice number and the dollar amount of the suspected error. Describe the error and explain, if you can, why you believe there is an error. If you need more information, describe the item you are not sure about.
We will try to resolve any complaints you have as promptly as we can.