; or (2) amounts provided under paragraph (7) under the heading State and Local Law Enforcement Activities—Community Oriented Policing Services—Community Oriented Policing Services Programs in title II of division B of Public Law 117–103 and Public Law 117–328 . 522. None of the funds made available in this Act may be used to purchase first class or premium airline travel in contravention of sections 301–10.122 through 301–10.124 of title 41 of the Code of Federal Regulations. 523. None of the funds made available in this Act may be used to send or otherwise pay for the attendance of more than 50 employees from a Federal department or agency, who are stationed in the United States, at any single conference occurring outside the United States unless— (1) such conference is a law enforcement training or operational conference for law enforcement personnel and the majority of Federal employees in attendance are law enforcement personnel stationed outside the United States