She needs to comply with the relocation statute which requires 60 days written notice prior to the move. If she fails to comply, you need to file a motion restraining the move and perhaps a Petition to modify the PP. You should not try to do this alone -- it can be procedurealy complicated.
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Normally the custodial parent is not allowed to move to another state without following the notice provisions of the Relocation Act. It’s always best to consult with a good family law attorney to discuss the details before you act. See my AVVO Legal Guides on relocation for more information about the legal issues raised by your inquiry. Please keep in mind that although these Legal Guides are often informative, they are no substitute for legal advice from an attorney you have retained for consultation or representation. Click on my photo. On my AVVO home page click on "Contributor Level - View Contributions" or scroll down further and click on "Contribution - Legal Guides." Scroll down the list of my 29 Legal Guides and select the topics relevant to your question. If you like my answer and Legal Guides, please make sure you mark them as “helpful” or “best answer”.
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