[Code of Federal Regulations] [Title 48, Volume 7] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 48CFR2916.603-2] [Page 28] TITLE 48--FEDERAL ACQUISITION REGULATIONS SYSTEM CHAPTER 29--DEPARTMENT OF LABOR Sec. 2916.603-2 Application. The HCA is authorized to extend the period for definitization of a letter contract required by FAR 16.603-2(c) in extreme cases where it is determined in writing that such action is in the best interest of the Government. PART 2917_SPECIAL CONTRACTING METHODS Sec. Sec. 2917.000 Scope of part. Subpart 2917.2 Options Sec. 2917.202 Use of options. Sec. 2917.207 Exercising options. Subpart 2917.5_Interagency Acquisitions Under The Economy Act Sec. 2917.500 Scope of subpart. Sec. 2917.501 Definitions. Sec. 2917.502 General. Sec. 2917.503 Determinations and findings requirements. Sec. 2917.504 Ordering procedures. Sec. 2917.504-70 Signature authority and internal procedures. Authority: 5 U.S.C. 301; 31 U.S.C. 1535; 40 U.S.C. 486(c). Source: 69 FR 22991, Apr. 27, 2004, unless otherwise noted.