Wall Street Journal
June 17, 2013
Arizona violated the federal “Motor Voter” law when it added a proof-of-citizenship requirement to standard voter-registration forms intended for use nationwide, the Supreme Court held Monday.
The ruling comes a year after the Supreme Court struck down most of another Arizona law designed to punish illegal immigrants seeking work.
Writing for the court, Justice Antonin Scalia said that federal law required states to “accept and use” the streamlined form provided by the 1993 National Voter Registration Act, as the Motor Voter law is formally named.