A.  Filing


C.R.S. § 19-6-101(6)
The petition must include notice of financial responsibility to the obligor, sent by a delegate child support enforcement unit, to include specific advisements regarding genetic tests.

C.R.S. § 19-6-101(1)
A petition to compel child support must be filed in the court of the county where the child resides or is present, where the obligor resides or is present, or where public assistance is or was being paid for the child.

People in the Interest of A.K., 72 P.3d 402 (Colo. App. 2003)
Nothing in section 19-6-101 requires a child reside in Colorado in order to establish the court’s subject-matter jurisdiction.

C.R.S. § 19-6-101(2)
A petition may be filed any time before the child reaches twenty-one years of age.

C.R.S. § 19-6-103(1)
Once the petition is filed, either the clerk of court, attorney for petitioner, or delegate child support enforcement unit issues a summons that includes the substance of the petition, and that requires the respondent to appear at the date and place set for the hearing.

C.R.S. § 19-6-105(3)
The hearing may not be held sooner than ten days after service of the petition.