An Act relative to the uniform child custody jurisdiction and enforcement act

This bill replaces Massachusetts' existing Chapter 209B with the Uniform Child Custody Jurisdiction and Enforcement Act (UCCJEA), standardizing how custody cases are handled across state lines. It establishes clear rules for determining which state's court has jurisdiction (based on the child's "home state" residency), defines key terms like "child-custody determination," and creates procedures for enforcing custody orders in other states. The law directly affects families involved in cross-state custody disputes, courts processing these cases, and child welfare agencies. Key provisions include prioritizing jurisdictional questions in court, requiring proper notice for out-of-state parties, and ensuring custody orders made under this framework are binding and enforceable. The bill aligns Massachusetts with other states' practices to reduce conflicts in custody cases involving multiple jurisdictions.