Colorado Code
Part 3 - Enforcement
§ 14-13-309. Service of Petition and Order

Except as otherwise provided in section 14-13-311, the petition and order must be served, by any method authorized by the law of this state, upon respondent and any person who has physical custody of the child.
Source: L. 2000: Entire article R&RE, p. 1535, § 1, effective July 1.
In keeping with other sections of this Act, the question of how the petition and order should be served is left to local law.