[Code of Federal Regulations] [Title 49, Volume 1] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR20.500] [Page 183] TITLE 49--TRANSPORTATION Subtitle A--Office of the Secretary of Transportation PART 20_NEW RESTRICTIONS ON LOBBYING--Table of Contents Subpart E_Exemptions Sec. 20.500 Secretary of Defense. (a) The Secretary of Defense may exempt, on a case-by-case basis, a covered Federal action from the prohibition whenever the Secretary determines, in writing, that such an exemption is in the national interest. The Secretary shall transmit a copy of each such written exemption to Congress immediately after making such a determination. (b) The Department of Defense may issue supplemental regulations to implement paragraph (a) of this section.