Colo. Rev. Stat. § 15-2.5-304
(1) A powerholder's substantial compliance with a formal requirement of appointment imposed by the donor, including a requirement that the instrument exercising the power of appointment make reference or specific reference to the power, is sufficient if:
Source: L. 2014: Entire article added, (HB 14-1353), ch. 209, p. 777, § 1, effective July 1, 2015.