“If signed, Iowa will become the first state in American history to remove a protected class from its Civil Rights Act,” wrote Erin Reed, a journalist and trans rights advocate, “setting a dangerous precedent for broader rollbacks of anti-discrimination protections.”

Iowa became the first U.S. state to remove gender identity protections from its civil rights code on Friday when Gov. Kim Reynolds signed into law a bill that opponents say will expose transgender people and other Iowans to discrimination in all aspects of daily life.