FAQs on the Visa Waiver Restrictions (May 12, 2016)
The Visa Waiver Program Improvement and Terrorist Travel Prevention Act (H.R. 158) prohibits citizens of countries participating in the Visa Waiver Program from visiting the United States under the program if they are dual nationals of or have recently traveled to Iran, Iraq, Sudan or Syria.
FAQ on Visa Waiver Reform Language in the Omnibus (December 18, 2015)
Despite numerous objections, the omnibus incorporated discriminatory provisions from a bill that passed the House of Representatives (H.R. 158) that would bar dual nationals of Iraq, Syria, Iran and Sudan as well as foreigners who have traveled to those countries since March 2011 from eligibility in the visa waiver program.