Too Long; Didn't Read Act of 2019 or the TL; DR Act of 2019 This bill requires a federal agency to provide a clearly-marked section at the top of a communication (both hard copy and electronic) that the agency sends to an individual if such communication requires or authorizes such individual to act. The clearly-marked section shall include the authorized or required action; if a response by the individual is required, optional, or not permitted; all deadlines to complete the authorized or required action; how to complete the authorized or required action; and the contact information for the agency, department, or office that can assist or answer questions relating to the authorized or required action.