[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: 21CFR1404.365] [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 C_Responsibilities of Participants Regarding Transactions Sec. 1404.365 What must I do if I learn of information required under Sec. 1404.355 after entering into a covered transaction with a higher tier participant? At any time after you enter into a lower tier covered transaction with a person at a higher tier, you must provide immediate written notice to that person if you learn either that-- (a) You failed to disclose information earlier, as required by Sec. 1404.355; or (b) Due to changed circumstances, you or any of the principals for the transaction now meet any of the criteria in Sec. 1404.355.