Okla. Stat. tit. 43, § 43-601-612: 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.