TOPEKA, Kan. (AP) – Secretary of State Kris Kobach’s successful push to require new Kansas voters to document their U.S. citizenship has spawned three lawsuits, including one he pursued against a federal agency in trying to enforce the policy.

Kansas is one of only four states that make new voters show a birth certificate, passport or other citizenship papers. The Kansas requirement took effect in 2013, and Kobach has directed county election officials to cancel more than 31,000 incomplete registrations, most from people who’ve failed to comply with the requirement.

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