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Cal. FAM § 3423

This is the official text of Cal. FAM § 3423, part of California’s Family Code — governs marriage, divorce, child custody and support, domestic violence protections, and adoption. This particular section falls under Division 8, “Custody of Children.”

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Official statutory text

Except as otherwise provided in Section 3424, a court of this state may not modify a child custody determination made by a court of another state unless a court of this state has jurisdiction to make an initial determination under paragraph (1) or (2) of subdivision (a) of Section 3421 and either of the following determinations is made:

(a) The court of the other state determines it no longer has exclusive, continuing jurisdiction under Section 3422 or that a court of this state would be a more convenient forum under Section 3427.

(b) A court of this state or a court of the other state determines that the child, the child’s parents, and any person acting as a parent do not presently reside in the other state.

Status: in_force · Read it on the official government site

About this page: Statute text is reproduced from official government publishers via the Open US Law dataset (Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine (Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.