[Code of Federal Regulations] [Title 41, Volume 2] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR101-26.304] [Page 94] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 101--FEDERAL PROPERTY MANAGEMENT REGULATIONS PART 101-26_PROCUREMENT SOURCES AND PROGRAM--Table of Contents Subpart 101-26.3_Procurement of GSA Stock Items Sec. 101-26.304 Substitution policy. In supplying items requisitioned from GSA stock, GSA may substitute items with similar characteristics. Substitute items may be issued from new stock or from returned stock that is in serviceable condition (condition code A) as described in Sec. 101-27.503-1. A notice of intent to substitute will be provided to the ordering activity only if the characteristics of the substitute item differ substantially from the characteristics of the item requisitioned. Ordering activities may prevent substitution by entering advice code 2B (do not substitute) or 2J (do not substitute or backorder) in cc 65-66 of requisitions. [45 FR 27764, Apr. 24, 1980]