[Code of Federal Regulations] [Title 48, Volume 7] [Revised as of October 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 48CFR9905.506-20] [Page 487] TITLE 48--FEDERAL ACQUISITION REGULATIONS SYSTEM CHAPTER 99--COST ACCOUNTING STANDARDS BOARD, OFFICE OF FEDERAL PROCUREMENT POLICY, OFFICE OF MANAGEMENT AND BUDGET PART 9905--COST ACCOUNTING STANDARDS FOR EDUCATIONAL INSTITUTIONS--Table of Contents Sec. 9905.506-20 Purpose. The purpose of this Cost Accounting Standard is to provide criteria for the selection of the time periods to be used as cost accounting periods for contract cost estimating, accumulating, and reporting. This Standard will reduce the effects of variations in the flow of costs within each cost accounting period. It will also enhance objectivity, consistency, and verifiability, and promote uniformity and comparability in contract cost measurements.