The PP is still in full force and effect no matter where non-custodial parent lives. If non-custodial parent wants to to change the PP to reflect current circumstance, he/she can do so by filing a Petition to modify the PP in Wa. state.
Please note that THESE COMMENTS ARE NOT INTENDED AS LEGAL ADVICE and are for informational purposes only. This response is not intended to create any attorney-client relationship and is only based on the limited facts given. The response might change should additional facts be learned and should not be relied on as legal advice. It is recommended that you consult with an attorney who can properly assess the situation, as well as all pertinent facts, prior to taking any action based on the foregoing statements