Immigration officials are saying that anyone living in the U.S. illegally will soon have to register with the federal government, and those who fail to do so could face fines, imprisonment or both.

In one of his 10 inauguration day executive orders related to immigration, President Donald Trump initially outlined plans for creating a registry and required that Homeland Security “immediately announce and publicize information about the legal obligation of all previously unregistered aliens in the United States to comply.”

Immigration officials say anyone living in the U.S. illegally will soon have to register with the federal government.