(a) In General.— (1) The Secretary shall prohibit any employee of the Department who the Secretary or the Inspector General of the Department determines has knowingly misused a purchase card from serving as a purchase card holder or approving official. (2) Such a prohibition shall be in addition to any other applicable penalty. (b) Misuse.— For purposes of this section, the term “ misuse ” means— (1) splitting purchases; (2) exceeding applicable purchase card limits or purchase thresholds; (3) purchasing any unauthorized item; (4) using a purchase card without being an authorized purchase card holder; or (5) violating ethics standards. (Added Pub. L. 115–407, title V, § 501(a) , Dec. 31, 2018 , 132 Stat. 5376 .)