California has become the first state to allow another gender designation on birth certificates: non-binary.
Governor Jerry Brown's signed the bill that will take effect next year, The Sacramento Bee reported.
Non-binary will be listed on drivers licenses starting in 2019, The Los Angeles Times reported.
Oregon is the only other state to allow it, while Washington, D.C. has permitted non-gender specific licenses, WRC reported.
Washington state-born residents may also soon be able to change the gender on their birth certificates beyond M or F. Washington Department of Health is considering to adopting a new rule that would allow non-binary options when requesting a change to the sex designation listed on one's birth certificate. The department filed paperwork on the process in August, and it's in the early stages of the proposal.
Non-binary is an "umbrella term for people with gender identities that fall somewhere outside of the traditional conceptions of strictly either female or male," and includes people who are transgender or born with intersex traits, The Bee reported.
Five people in the country have decided so far to use the designation non-binary as their legal gender. But according to the 2015 U.S. Transgender Survey, 31 percent of the more than 27,000 people who took part identified themselves as non-binary.
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