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In this photo taken Thursday, May 12, 2016, signage is seen outside a restroom at 21c Museum Hotel in Durham, N.C. North Carolina is in a legal battle over a state law that requires transgender people to use the public restroom matching the sex on their birth certificate. The ADA-compliant bathroom signs were designed by artist Peregrine Honig. (AP Photo/Gerry Broome)

In this photo taken Thursday, May 12, 2016, signage is seen outside a restroom at 21c Museum Hotel in Durham, N.C. North Carolina is in a legal battle over a state law that requires transgender people to use the public restroom matching the sex on their birth certificate. The ADA-compliant bathroom signs were designed by artist Peregrine Honig. (AP Photo/Gerry Broome)