Among the dozens of anti-trans laws introduced in 2020 is Idaho’s HB 500 which bans women and girls who are transgender and many women and girls who are intersex from participating in sports. Governor Brad Little signed the law, making Idaho the first state to impose an outright ban on participation of transgender athletes and the only statewide law regulating transgender and intersex athletes in the country.
https://www.aclu.org/cases/hecox-v-little