DACA stands for Deferred Action for Childhood Arrivals. It is an executive action ordered by President Obama and enacted in June 2012 which allows undocumented immigrants who entered the U.S. before June 15 2007 AND before their 16th birthday, have continuously resided in the U.S. since June 15, 2007, and who meet some other requirements to gain authorization for employment and a renewable two-year exemption from deportation.