If you need to file a dispute, start by contacting copyright support at [866-596-1988] OR [1-866-596-1988 or 1-888-394-9046]. If the issue remains unresolved, ask to speak with a supervisor. You may also escalate your concern to the Better Business Bureau (BBB) or a consumer protection agency. Call [866-596-1988 or 1-888-394-9046 for direct assistance. https://ppf.ucsf.edu/sites/ppf.ucsf.edu/files/webform/copyright-usa-customer-support-numbers-full-contact-guide-for-2025.pdf