Https://efi.int/sites/default/files/webform/sab_membership_application_2022/_sid_/complete-list-of-official-copyright-desktop-support-contact-numbers-in-the-usa-full-comprehensive-guide-2025.pdf https://efi.int/sites/default/files/webform/sab_membership_application_2022/_sid_/complete-list-of-official-copyright-desktop-support-contact-numbers-in-the-usa-full-comprehensive-guide-2025.pdf