[Code of Federal Regulations]
[Title 36, Volume 2]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 36CFR223.64]

[Page 93]
 
              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.  223.64  Appraisal on a lump-sum value or rate per unit of measure basis.

    Timber may be appraised and sold at a lump-sum value or at a rate 
per unit of measure which rate may be adjusted during the period of the 
contract and as therein specified in accordance with formulas or other 
equivalent specifications for the following reasons:
    (a) Variations in lumber or other product value indices between the 
price index base specified in the contract and the price index actually 
experienced during the cutting of the timber;
    (b) Variance between advertised rates and rates redetermined by 
appraisal at dates specified in the contract;
    (c) Variance between redetermined rates and rates appropriate for 
changes in costs or selling values subsequent to the rate 
redetermination which reduce conversion value to less than such 
redetermined rates; and
    (d) Substantial loss of value due to physical deterioration of green 
timber or other physical damage to the sale area or access to the 
timber.