Alan Valdivia Mejia, left, receives help on his application on Wednesday, August 15, 2012, from Ivan Corpeno, right, at the Coalition for Humane Immigrant Rights office in Los Angeles, California. The day marked the launch of the application period for Deferred Action for Childhood Arrivals, who were applying for deferred action that would grant them temporary relief for the opportunity to live in the U.S. (Francine Orr/Los Angeles Times/MCT)

CHILA office in Los Angeles, CA August 15, 2012. Alan is part of the first group filling out the application today. Hundreds of young immigrants lined up Wednesday as Coalition for Humane Immigrant Rights launch the application period for Deferred Action for Childhood Arrivals.