Idaho Code § 28-2-601: Buyer’s rights on improper delivery.

Subject to the provisions of this chapter on breach in installment contracts (section 28-2-612) and unless otherwise agreed under the sections on contractual limitations of remedy (sections 28-2-718 and 28-2-719), if the goods or the tender of delivery fail in any respect to conform to the contract, the buyer may

(a) reject the whole; or

(b) accept the whole; or

(c) accept any commercial unit or units and reject the rest.