[Code of Federal Regulations] [Title 14, Volume 5] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR1265.425] [Page 399-400] TITLE 14--AERONAUTICS AND SPACE CHAPTER V--NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PART 1265_GOVERNMENTWIDE DEBARMENT AND SUSPENSION (NONPROCUREMENT)--Table of Subpart D_Responsibilities of NASA Officials Regarding Transactions Sec. 1265.425 When do I check to see if a person is excluded or disqualified? As an agency official, you must check to see if a person is excluded or disqualified before you-- (a) Enter into a primary tier covered transaction; [[Page 400]] (b) Approve a principal in a primary tier covered transaction; (c) Approve a lower tier participant if agency approval of the lower tier participant is required; or (d) Approve a principal in connection with a lower tier transaction if agency approval of the principal is required.