To amend the Immigration and Nationality Act to require U.S. Immigration and Customs Enforcement, upon the request of a law enforcement official, to make a prompt determination of whether to issue a detainer in the case of an alien arrested for a violation of Federal, State, or local law.

Assuring Law Enforcement Requests Are Timely Evaluated by the Department of Homeland Security Act of 2017 or the ALERTED Act of 2017 This bill amends the Immigration and Nationality Act to direct U.S. Immigration and Customs Enforcement, upon request by a federal, state, or local law enforcement official, to determine whether to issue a detainer to detain an alien arrested by such official for a violation of any law, not just one relating to controlled substances.