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