CBP has been pushing the use of facial recognition technologies at land, sea, and airports, which includes in-motion imaging of everyone coming into the country at airports and other ports of entry as well as during the boarding process for international flights. U.S. Citizens and green card holders currently have the option to decline this biometric scan and opt for traditional boarding procedures. That would change under a proposed rule filed with the Office of Information and regularity Affairs, however, privacy advocates are pushing against the new rule.