[Code of Federal Regulations] [Title 31, Volume 2] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 31CFR315.16] [Page 172] TITLE 31--MONEY AND FINANCE: TREASURY CHAPTER II--FISCAL SERVICE, DEPARTMENT OF THE TREASURY PART 315--REGULATIONS GOVERNING U.S. SAVINGS BONDS, SERIES A, B, C, D, E, F, G, H, J, AND K, AND U.S. SAVINGS NOTES--Table of Contents Subpart D--Limitations on Transfer or Pledge Sec. 315.16 Pledge. (a) General. A savings bond may not be hypothecated, pledged, or used as security for the performance of an obligation, except as provided in paragraph (b) of this section. (b) Pledge under Treasury Circular No. 154. A bond may be pledged by the registered owner in lieu of surety under the provisions of Department of the Treasury Circular No. 154, current revision (31 CFR part 225), if the bond approving officer is the Secretary of the Treasury. In this case, an irrevocable power of attorney shall be executed authorizing the Secretary of the Treasury to request payment.