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Bill

Bill

SB 312

Relating to: changing an individual’s sex on a birth certificate.

2025-2026 Regular Session Introduced by Steve Nass and 2 co-sponsors

Wisconsin bill modifies birth certificate sex designation procedures, affecting how individuals can update official identity documents.

Failed to pass pursuant to Senate Joint Resolution 1
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WeVote Research Nonpartisan
Bill Summary · SB 312

Legislative bill overview

SB 312 would modify Wisconsin's procedures for changing the sex designation on an individual's birth certificate. The bill was introduced in June 2025 and has progressed through initial referral to committee, with a Senate amendment offered in September 2025. The specific provisions of the bill determine whether it expands access to sex marker changes, restricts such changes, or modifies the process requirements.

Why is this important

Birth certificate sex designations affect access to identification documents, healthcare records, legal recognition, and various administrative processes. Changes to these procedures directly impact transgender and non-binary individuals' ability to have official documents reflect their identity, while also raising questions about record-keeping standards and procedures.

Potential points of contention

  • Access and eligibility criteria: Whether the bill loosens or tightens requirements for sex marker changes (such as medical documentation, court orders, or self-identification provisions)
  • Implementation procedures: How the bill defines the process, timeline, and costs for applicants seeking to change sex designations
  • Record management: Questions about how the state maintains historical records, handles amended certificates, and balances privacy with administrative transparency

Compiled from official sources — confirm details with the bill’s official record.

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