[Code of Federal Regulations] [Title 45, Volume 3] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 45CFR620.400] [Page 170] TITLE 45--PUBLIC WELFARE CHAPTER VI--NATIONAL SCIENCE FOUNDATION PART 620_GOVERNMENTWIDE DEBARMENT AND SUSPENSION (NONPROCUREMENT) --Table of Contents Subpart D_Responsibilities of National Science Foundation Officials Regarding Transactions Sec. 620.400 May I enter into a transaction with an excluded or disqualified person? (a) You as an agency official may not enter into a covered transaction with an excluded person unless you obtain an exception under Sec. 620.120. (b) You may not enter into any transaction with a person who is disqualified from that transaction, unless you obtain a waiver or exception under the statute, Executive order, or regulation that is the basis for the person's disqualification.