a determination by the Administrator of the Transportation Security Administration that only travelers who are members of a trusted traveler program specified in section 2(b) are permitted to use TSA PreCheck security screening lanes at Transportation Security Administration checkpoints in accordance with subsection (a) of such section, the Administrator shall submit to the Committee on Homeland Security of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a written certification relating to such determination. (c) Sunset The briefings required under subsection (a) shall terminate at the time the certification described in subsection (b) is submitted. 5. Inspector General assessments After the Administrator of the Transportation Security Administration submits the certification described in section 4(b), the Inspector General of the Department of Homeland Security shall, beginning in the first calendar year after such certification and in each of the next three subsequent calendar years, conduct an assessment to determine if there has been a systematic pattern of violations of section 2(a) during the previous calendar year. The Inspector General shall submit to the Committee on Homeland Security of the House of Representatives and the Committee on Homeland Security and Governmental Affairs of the Senate the results of each such assessment. 6. PreCheck program expansion (a) In general Not later than 180 days after the date of the enactment of this Act, the Administrator of the Transportation Security Administration shall complete the implementation of a long-term strategy to increase enrollment in the TSA PreCheck Program and expand the total population of members of trusted traveler programs specified in section 2(b). (b) Enrollment In carrying out the long-term strategy referred to in subsection (a), the Administrator of the Transportation Security Administration shall— (1) seek to partner with air carriers (as such term is defined in section 40102 of title