§ 4-2-616 - Procedure on notice claiming excuse.
               	 		
4-2-616.    Procedure on notice claiming excuse.
    (1)  Where  the buyer receives notification of a material or indefinite delay or an  allocation justified under the preceding section he may by written  notification to the seller as to any delivery concerned, and where the  prospective deficiency substantially impairs the value of the whole  contract under the provisions of this chapter relating to breach of  installment contracts (    4-2-612), then also as to the whole,
      (a)  terminate and thereby discharge any unexecuted portion of the contract; or
      (b)  modify the contract by agreeing to take his available quota in substitution.
(2)  If  after receipt of such notification from the seller the buyer fails so  to modify the contract within a reasonable time not exceeding thirty  (30) days the contract lapses with respect to any deliveries affected.
(3)  The  provisions of this section may not be negated by agreement except  insofar as the seller has assumed a greater obligation under the  preceding section.