C.R.S. § 14-5-612
14-5-612. Recognition of order modified in another state
14-5-612. Recognition of order modified in another state. If a child support order issued by a tribunal of this state is modified by a tribunal of another state which assumed jurisdiction pursuant to the "Uniform Interstate Family Support Act", a tribunal of this state:
(1) May enforce its order that was modified only as to arrears and interest accruing before the modification;
(2) May provide appropriate relief for violations of its order which occurred before the effective date of the modification; and
(3) Shall recognize the modifying order of the other state, upon registration, for the purpose of enforcement.
(4) (Deleted by amendment, L. 2003, p. 1261, § 41, effective July 1, 2004.)