1. Short title This Act may be cited as the Checkpoint Safety Act of 2019 . 2. Deployment of law enforcement personnel at airport screening locations at very large airports Section 44901(h)(2) of title 49, United States Code, is amended to read as follows: (2) Minimum requirements (A) In general Except at airports required to enter into agreements under subsection (c), the Administrator shall order the deployment of at least one law enforcement officer authorized to carry firearms within 300 feet of each airport security screening location and within the terminal during operating hours at each airport at which the number of annual enplanements for the most recent calendar year for which data are available is 8 million or more or the number of international enplanements is 1 million or more. The Administrator shall order the deployment of additional law enforcement officers authorized to carry firearms at such airports if the Administrator determines that such additional deployment is necessary to ensure airport security. (B) Waiver The Administrator may waive the application of all or part of the requirements of subparagraph (A) only if the relevant law enforcement agency with jurisdiction over an airport described in such subparagraph certifies in a written application to the Administrator that adherence to all or part of such requirements would— (i) make provision of adequate security for such airport impossible; and (ii) cause extreme hardship to such law enforcement agency that would severely impair its ability to perform its duties. . 3. Law enforcement assistance in Federal airport security Section 44903 of title 49, United States Code, is amended— (1) in subsection (b), in the matter preceding paragraph (1), by striking passengers and inserting persons ; and (2) in subsection (c)(1)— (A) in the first sentence, as amended by paragraph (2)— (i) by striking The Administrator and inserting (A) The Administrator ; and (ii) by striking passengers and inserting all persons and property