C.R.S. § 4-9-603
(1) This section is similar to former § 4-9-501 (3) as it existed prior to 2001.
(2) Colorado legislative change: Colorado did not adopt the word "manifestly" before the word "unreasonable" in subsection (a) and substituted the phrase "empower the parties to set standards affecting" for the phrase "apply to" in subsection (b).