Immigration rights groups are planning to protest when Arizona’s immigration enforcement law goes before the U.S. Supreme Court. Advocacy groups such as Somos America and the American Civil Liberties Union will announce plans Friday in downtown Phoenix for a march against state and federal immigration policies. To be held April 25, the march is meant to coincide with when the high court will begin hearing arguments in the federal government’s challenge to SB1070. The Arizona law was signed by Gov. Jan Brewer in 2010. It requires all immigrants obtain or carry immigration registration documents. The law also allows police to question a person’s immigration status if there is reasonable suspicion they are in the state illegally. It has sparked protests and boycotts against Arizona by Latino advocates around the country.