From the Document: "In accordance with section 504 of the Emergency Supplemental Appropriations for Humanitarian Assistance and Security at the Southern Border Act, 2019 (H.R. 3401; the 'Act'), I hereby designate as emergency requirements all funding so designated by the Congress in the Act pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985, as outlined in the enclosed list of accounts. The details of this action are set forth in the enclosed memorandum from the Acting Director of the Office of Management and Budget."
H. Doc 116-46; House Document 116-46
U.S. Government Publishing Office: http://www.gpo.gov/