[Code of Federal Regulations] [Title 21, Volume 9] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR1404.435] [Page 243] TITLE 21-FOOD AND DRUGS CHAPTER III--OFFICE OF NATIONAL DRUG CONTROL POLICY PART 1404_GOVERNMENTWIDE DEBARMENT AND SUSPENSION (NONPROCUREMENT)--Table of Contents Subpart D_Responsibilities of Office of National Drug Control Policy Officials Regarding Transactions Sec. 1404.435 What must I require of a primary tier participant? You as an agency official must require each participant in a primary tier covered transaction to-- (a) Comply with subpart C of this part as a condition of participation in the transaction; and (b) Communicate the requirement to comply with Subpart C of this part to persons at the next lower tier with whom the primary tier participant enters into covered transactions.