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. (1) May enforce its order that was modified only as to arrears and interest accruing before the modification;
2. (2) May provide appropriate relief for violations of its order which occurred before the effective date of the modification; and
3. (3) Shall recognize the modifying order of the other state, upon registration, for the purpose of enforcement.