Colo. Rev. Stat. § 14-13.7-301
In this part 3, close and substantial relationship means a relationship between a child and a nonparent who has had physical care of the child for more than one hundred eighty-two days.
Source: L. 2013: Entire article added, (HB 13-1200), ch. 174, p. 630, § 2, effective May 10.