C.R.S. § 4-2-601: Buyer's rights on improper delivery.

Subject to the provisions of this article on breach in installment contracts (section 4-2-612) and unless otherwise agreed under the sections on contractual limitations of remedy (sections 4-2-718 and 4-2-719), 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.