The Department of Homeland Security will provide further guidance on Tuesday for law enforcement officials and federal agencies that are scrambling to implement President Trump’s executive order on immigration.

DHS Secretary John Kelly, Customs and Border Protection Acting Commissioner Kevin McAleenan, Immigration and Customs Enforcement Acting Director Thomas Homan and Office of Intelligence and Analysis Acting Undersecretary David Glawe will discuss enforcement of the president’s directive during a press conference at noon ET, officials announced early Tuesday morning.