; and (4) continue to conduct both regular routine and threat-specific classified briefings between the TSA and appropriate aviation and other transportation sector stakeholders on an individual or group basis to provide greater information sharing between public and private sectors. (c) Mass notification The Administrator shall encourage aviation security stakeholders to utilize mass notification systems, including the Integrated Public Alert Warning System of the Federal Emergency Management Agency and social media platforms, to disseminate information to transportation community employees, travelers, and the general public, as appropriate. (d) Public awareness programs The Secretary of Homeland Security, in coordination with the Administrator, shall expand public programs of the Department and the TSA that increase security threat awareness, education, and training to include transportation network public area employees, including airport and transportation vendors, local hotels, cab and limousine companies, ridesharing companies, cleaning companies, gas station attendants, cargo operators, and general aviation members. (e) Aviation employee vetting The Administrator shall allow an air carrier, airport, or airport operator, in addition to any background check required for initial employment, to utilize the Federal Bureau of Investigation's Rap Back Service and other vetting tools as appropriate, including the No-Fly and Selectee lists, to get immediate notification of any criminal activity relating to an employee with access to an airport or its perimeter, regardless of whether the employee is seeking access to a public or secured area of the airport. 225. Law Enforcement Officer Reimbursement Program (a) In general In accordance with section 44903(c)(1) of title 49, United States Code, the Administrator shall increase the number of awards, and the total funding amount of each award, under the Law Enforcement Officer Reimbursement Program— (1) to increase the presence of law enforcement officers in the public