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Apply for a declaration about whether a named person is the parent of another named person: Form C63
What is this form for?
Use this form to ask the court to determine someone's parentage and to give your summary of why you think your application is necessary.
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Official publication updated 2026-06-01. Catalogue checked 9 November 2026. Follow the official guidance for the form's scope, required documents and filing route. Source: HMCTS. Crown copyright, Open Government Licence v3.0.