Colo. Rev. Stat. § 4-1-304 : UNIFORM COMMERCIAL CODE — GENERAL PROVISIONS — TERRITORIAL APPLICABILITY AND GENERAL RULES —1-304 - Obligation of good faith TEXT PDF Every contract or duty within this title imposes an obligation of good faith in its performance and enforcement. C.R.S. § 4-1-304 L. 2006: Entire article R&RE, p. 468, § 1, effective September 1. This section is similar to former § 4-1-203 as it existed prior to 2006.