In 2012, the Obama administration established the DACA program via executive memorandum, deferring deportation of productive, law-abiding immigrants who were brought to the country illegally as children. Trump administration: The executive branch lacks authority to impose such a program without the go ahead from Congress. Ninth Circuit: Revoking the policy probably violated the Administrative Procedures Act. No revocation for the 689,800 enrollees while this litigation proceeds.