1, 2020, the Administrator of the Transportation Security Administration, in consultation with relevant transportation security stakeholders, shall develop, socialize, and implement alternative checkpoint screening procedures for individuals arriving at a checkpoint without a form of identification acceptable to the Transportation Security Administration or satisfying the exemption described in subsection (a). Such procedures may include the following: (1) Utilizing Credential Authentication Technology as a means of verifying traveler identity and flight information. (2) Querying Federal or State databases, including trusted traveler enrollment databases of the Department of Homeland Security, for the purposes of verifying traveler identity. (3) Allowing passengers to undergo secondary screening procedures at the checkpoint for purposes of boarding a federally regulated commercial aircraft. (d) Training and exercises (1) In general Not later than October 1, 2020, in consultation with air carriers, airport operators, and relevant law enforcement agencies, the Administrator of the Transportation Security Administration (TSA) may, if requested by an airport at which the Transportation Security Administration conducts or oversees security screening, conduct REAL ID implementation exercises, including scenario-based training for frontline TSA personnel regarding REAL ID implementation, tabletop exercises with air carrier (as such term is defined in section 40102 of title 49, United States Code) and airport personnel, and consultation with transportation security stakeholders to communicate REAL ID enforcement policies and plans. (2) Notification to Congress Upon completion, if applicable, of the exercises described in paragraph (1), the Administrator of the Transportation Security Administration shall notify the Committee on Homeland Security of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate of such completion. 3. Real ID State process for submission of