Need help? Either sign in through the Web-based client portal, or dial our telephone support line.
TNS takes pride in providing fast, friendly service for our clients. We are always here to help you find the answers you need.
Prefer to use the phone? Simply dial our support line and speak with our friendly technical support representatives. All of our agents are fully qualified to answer your questions and resolve any issues you may be experiencing.
If you are a merchant and your question is related to your contract or statement with your Independent Sales Organization
(ISO), we ask that you first contact the ISO. Please refer to your statement or contract information.
If after contacting your ISO, you feel your inquiry has not been resolved to your satisfaction, we invite you to fill out the
Code of Conduct inquiry form by clicking the link below. TNS will investigate the complete and attempt to resolve it. You can submit
your complaint form to TNS using one of the following methods:
Note: Please ensure you have the latest version of Adobe Reader before downloading and filling out the complaint form.
(iii) Download and print the form, fill it in with dark ink (blue or black) and mail a hard copy to TNS at the following address:
Attention: Merchant Complaint Department
700 Dorval Drive, Suite 200,
Oakville, Ontario, L6K 3V3.
Note: TNS recommends that where possible you use option (i) above as it is the fastest and most secure method of submitting your complaint form to us.
If after following Step 2 above your complaint is not resolved to your satisfaction, you may also contact
Interac Association (Payment Card Network Operator) directly at:
Attention: Legal Department
Interac Association / Acxsys Corporation
Royal Bank Plaza, North Tower
200 Bay Street, Suite 2400
P.O. Box 45, Toronto, Ontario, M5J 2J1