NATIONAL FOREST MANUAL TIMBER SALES. 33 



be strengthened and improved by any modification in the agreement. 

 Extensions of time without change in the other conditions of the con- 

 tract will be granted only in cases where the interests of the United 

 States will not be prejudiced thereby and then only when causes over 

 which the purchaser has no control have unavoidably delayed his 

 operations. 



All extensions of time which bring the total cutting 

 ye?rs eeding five period allowed by the contract in excess of five years 



must be specifically approved by the Secretary. 

 When an extension of time is refused, any timber which may have 



been paid for and cut but not scaled at the date 

 disposai^>fmber.~ when the contract expires, may, in the absence of 



good reasons for retention, be scaled and its removal 

 by the purchaser permitted. 



Whenever an extension of time is desired in an advertised sale an 

 Form application should be made in accordance with the 



form for modification of contract, inserting after the 

 words, "to read as follows," Clause 12 of the contract, Form 

 202, with the changes proposed. If the modification is proposed at 

 an increase in price, the following should be added as part of the sen- 

 tence following the modified clauses, "and further, to pay for all 

 timber not cut during the time specified in said agreement at the rate 



of $ per in advance payments as set 



(M feet B. M. etc.) 



forth in said agreement." 



Consent of sureties will be obtained in the form given on page 31. 



postponement o f When postponement of brush piling is advisable and 



brush piling. is not provided for in the contract, the following change 



Form for appiica- may be made in the form for modification of 



contract, after the name of the National Forest, line 3: 



respectfully state that the snow is now too deep on the cutting area to permit of proper 



brush disposal, and therefore request that in'accordance with paragraph 



(I or we.) 



of said contract we be permitted to proceed with the cutting and removal 



of the timber and to postpone brush disposal until such time as in the opinion of the 

 Forest supervisor proper disposal of the brush can be made in accordance with the 

 terms of the said contract. 



agree, if this application is approved, that will, as soon as 



(I or we.) (I or we.) 



the condition of the snow makes it possible and not later than , at the 



request of the Forest officer in charge of the work, put on a sufficient force of men to 

 dispose of all brush caused by the operations subsequent to the granting of this appli- 

 cation, and also all other brush which is not properly disposed of at the date of this 

 application, in a manner satisfactory to the Forest officer in charge of this work, and to 

 use every precaution against fire being started in such brush and debris as is not 

 properly disposed of on account of the granting of this application and to pay for any 

 damage that may result through the approval of this application. 



If a bond is required at the time of postponement, the amount 

 Bond will be at least twice the estimated cost of brush 



piling, and will be prepared on Form 377. 



consent of sure- The consent of sureties win refer to the application 

 ties - as follows: 



Whereas, the said have, by an instrument in 



(Name of purchasers.) 



writing of even date, applied for a modification of the aforesaid contract so that they 



