Colo. Rev. Stat. § 4-2.5-509
tion. (1) Subject to the provisions of section 4-2.5-510 on default in installment lease contracts, if the goods or the tender or delivery fail in any respect to conform to the lease contract, the lessee may reject or accept the goods or accept any commercial unit or units and reject the rest of the goods.
Source: L. 91: Entire article added, p. 305, § 1, effective July 1, 1992.