[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: 21CFR1404.405] [Page 242] 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. 1404.405 May I enter into a covered transaction with a participant if a principal of the transaction is excluded? As an agency official, you may not enter into a covered transaction with a participant if you know that a principal of the transaction is excluded, unless you obtain an exception under Sec. 1404.120.