The United States Customs and Border Protection (CBP) has fully implemented a new rule that requires airlines to enter either male or female under the sex category when processing passengers. This is in compliance with an executive order issued by President Trump at the beginning of his second term to push back against gender ideology in government programs.
The "X" non-binary sex marker was introduced by the Biden Administration in 2022, but the State Department has since suspended it for new passport applications. While passports under the X marker will remain valid travel documents, there are concerns that this new rule could still impact travelers.
US Airlines Will No Longer Recognize "X" As A Sex
As reported by The Guardian, airlines will now disregard the X marker and pu