FILE - In this May 12, 2016, file photo, signage hangs outside a restroom at 21c Museum Hotel in Durham, N.C., May 12, 2016. Title IX, the landmark piece of U.S. legislation that was meant to ensure equity between men and women in education, turns 50 on June 23. Title IX was invoked when the Obama administration advised that transgender people should be allowed to use the bathroom of their choice in schools. (AP Photo/Gerry Broome, File)