Section 728 - Misuse of Department purchase cards(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-(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.