C.R.S.
Section 14-5-204
Simultaneous proceedings
(a)
A tribunal of this state may exercise jurisdiction to establish a support order if the petition or comparable pleading is filed after a pleading is filed in another state or a foreign country only if:(1)
The petition or comparable pleading in this state is filed before the expiration of the time allowed in the other state or the foreign country for filing a responsive pleading challenging the exercise of jurisdiction by the other state or the foreign country;(2)
The contesting party timely challenges the exercise of jurisdiction in the other state or the foreign country; and(3)
If relevant, this state is the home state of the child.(b)
A tribunal of this state may not exercise jurisdiction to establish a support order if the petition or comparable pleading is filed before a petition or comparable pleading is filed in another state or a foreign country if:(1)
The petition or comparable pleading in the other state or foreign country is filed before the expiration of the time allowed in this state for filing a responsive pleading challenging the exercise of jurisdiction by this state;(2)
The contesting party timely challenges the exercise of jurisdiction in this state; and(3)
If relevant, the other state or foreign country is the home state of the child.
Source:
Section 14-5-204 — Simultaneous proceedings, https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-14.pdf (accessed May 26, 2025).