Environment
No direct effect
Neutral — no direct effect identified.
Benefits
- No material direct effect identified.
Risks
- No material direct effect identified.
Jeff Weninger
HB 4042 status: Enacted — Signed by Governor (updated Jun 19, 2026).

Source
LegiScan
Confidence
High
Analysis basis
LegiScan full bill text
Official summary alongside an AI-generated read on where it stands and why.
Overall Score
Bill summary
HB 4042 amends Arizona Revised Statutes 8-533 and 8-535 to standardize and shorten the timeframe for potential fathers to establish paternity in termination proceedings. It specifies that failure to file and serve a paternity action within 30 days of notice completion leads to the waiver of rights.
Potential fathers in child custody and termination cases, children in out-of-home placement, and family law courts in Arizona.
Potential fathers must now ensure service of paternity actions within a 30-day window following notice; courts are required to ensure strict notice and hearing protocols.
Administrative costs for courts managing service and notice; potential legal costs for parents navigating shortened timelines.
Effective upon enactment (June 2026).
Increases certainty for child placement, streamlines court dockets by reducing open paternity claims, and promotes permanency for children in the foster care system.
Significant due process concerns regarding parental rights termination for fathers who may struggle with formal service requirements; risk of procedural defaults.
The degree to which courts will allow 'good cause' exceptions to the 30-day service rule remains subject to judicial interpretation.
Modeled effects across six domains, estimated from bill text and comparable legislation.
No direct effect
Neutral — no direct effect identified.
No direct effect
Neutral — no direct effect identified.
Critical outlook
No direct effect
Neutral — no direct effect identified.
Positive outlook
Positive outlook
Sourcing already shown above, this is what the analysis found worth flagging.
Source
LegiScan
Official bill text or data from LegiScan.
Confidence
High
Information is complete and verified.
Analysis basis
LegiScan full bill text
Source used for this bill's analysis.
Source note
Potential for termination of parental rights based purely on procedural default
!Analysis scope
Does not specify if historical cases are affected

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