200 



(d) Section 17(b) 1s deleted and replaced by a new section 17(b) as 

 follows: 



"(b) On or before the effective date of this contract, and 

 thereafter, as provided In paragraph (1) below, the Purchaser nay request 

 In writing to purchase on the basis of Contracted Requirements by 

 subnlttlng the data and proposed schedule of Contracted Requirements 

 purchases of peak and energy pursuant to paragraph (2) below. 



(1) The Purchaser nay request that It begin lo purchase on a 

 Contracted Requirements basis at the time of subml-.tal of any revised 

 Flrr- Resources Exhibit. Such request shall become effective, In 

 accordance with this subsection (b), for the seventh Operating Year 

 of fuch exhibit, or for an earlier Operating Year if Bonneville 1s 

 expr-cted to have an excess of firm load over Its f'rm resources In 

 the first Operating Year for which the Purchaser requests to purchase 

 on c. Contracted Requirements basis. Bonneville's expected firm 

 loac^-resource balance and the priority of competlna requests for 

 purposes of allocating the availability of this subparagraph of 

 paragraph (1) shall be determined In the manner described In 

 section 12(b)(7) above. 



The Purchaser nay elect to cease purchasing on a Contracted 

 Requirements basis at the time of submittal of any revised Firm 

 Resources Exhibit. Such election shall become effective for the 

 seventh Operating Year of such exhibit, or for an earlier Operating 

 Year If Bonneville Is expected to have an excess of firm resources 

 over Its firm load In the first Operating Year for which the 

 Purchaser proposes to cease purchasing on a Contracted Requirements 

 basis. Bonneville's expected firm load-resource balance and the 



