[Code of Federal Regulations] [Title 48, Volume 7] [Revised as of October 1, 2005] 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 PART 2916_CONTRACT TYPES--Table of Contents Subpart 2916.6_Time-and-Materials, Labor-Hour, and Letter Contracts Sec. 2916.603-2 Application. Task orders against DOL contracts and orders against multi-agency or Governmentwide contracts for services above the micropurchase threshold must comply with the provisions of FAR 16.505. 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.