[Code of Federal Regulations] [Title 36, Volume 2] [Revised as of July 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 36CFR223.33] [Page 85] TITLE 36--PARKS, FORESTS, AND PUBLIC PROPERTY CHAPTER II--FOREST SERVICE, DEPARTMENT OF AGRICULTURE PART 223_SALE AND DISPOSAL OF NATIONAL FOREST SYSTEM TIMBER --Table of Contents Subpart B_Timber Sale Contracts Sec. 223.33 Redetermination of stumpage rates and deposits. Sale contracts exceeding 7 years in duration, and those of shorter duration to the extent found desirable by the approving officer, will provide for the redetermination of rates for stumpage and for required deposits at intervals of not more than 5 years, exclusive of any period allowed for the construction of improvements.