; and (iii) other information the Secretary determines relevant. (g) Inspector General review Not later than two years after the date of the enactment of this section, the Inspector General of the Department of Homeland Security shall review the use of hiring and pay flexibilities under subsections (b) and (c) to determine whether the use of such flexibilities is helping the Secretary meet hiring and retention needs, including in rural and remote areas. (h) Report on polygraph requests The Secretary shall report to the appropriate congressional committees on the number of requests the Secretary receives from any other Federal agency for the file of an applicant for a position in U.S. Customs and Border Protection that includes the results of a polygraph examination. (i) Exercise of authority (1) Sole discretion The exercise of authority under subsection (b) shall be subject to the sole and exclusive discretion of the Secretary (or the Commissioner, as applicable under paragraph (2) of this subsection), notwithstanding chapter 71 and any collective bargaining agreement. (2) Delegation The Secretary may delegate any authority under this section to the Commissioner. (j) Rule of construction Nothing in this section shall be construed to exempt the Secretary or the Director from applicability of the merit system principles under section 2301. (k) Sunset The authorities under subsections (b) and (c) shall terminate on September 30, 2022. Any bonus to be paid pursuant to subsection (b) that is approved before such date may continue until such bonus has been paid, subject to the conditions specified in this section. . (b) Technical and conforming amendment The table of sections for chapter 97 of title 5, United States Code, is amended by adding at the end the following: 9702. U.S. Customs and Border Protection temporary employment authorities. . 1133. Anti-Border Corruption Reauthorization Act (a) Short title This section may be cited as the Anti-Border Corruption Reauthorization Act of 2018 . (b) Hiring flexibility