Online Complaint/ Investigation Form

The form below is provided for regulators and industry to report suspected unauthorized use of the NSF Mark. To complete the form, download it, print it out, fill in each blank, and mail to:

Regulatory Affairs
NSF International
PO Box 130140
Ann Arbor, MI 48113-0140

Please be sure to sign the authorization block allowing NSF to release your name in connection with the complaint investigation.