1. Short title This Act may be cited as the Checkpoint Safety Act of 2017 . 2. Deployment of law enforcement personnel at airport screening locations at very large airports Section 44901 of title 49, United States Code, is amended— (1) by striking Under Secretary of Transportation for Security each place it appears and inserting Administrator of the Transportation Security Administration ; (2) by striking Under Secretary each place it appears and inserting Administrator ; and (3) in subsection (h), by amending paragraph (2) 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