and the Committee on Commerce, Science, and Transportation of the Senate on progress regarding the implementation of this Act and improvements made to the screening process for pregnant women and families traveling with young children. 507. Identity and travel document verification Section 44901 of title 49, United States Code, is amended by adding at the end the following new subsection: (m) Establishment of screening system for certain persons Not later than December 31, 2020, the Administrator of the Transportation Security Administration shall, subject to the availability of appropriations, implement an identity and travel document verification system designed to establish a secure, automated system at all airports for verifying identity and travel documents of persons seeking entry into the sterile area of an airport. Such system shall— (1) assess the need for security screening personnel to perform identity and travel document verification for such passengers, thereby assessing the overall number of such screening personnel