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Bills from the 2025–26 session

Senate Bill 419

Emergency testing of a criminal defendant for certain diseases. (FE)

Topics: Court: Officers, Crime and criminals, Disease, District attorney, Police, Prison

Became law

The governor signed it on Mar 20, 2026. It's ⁠.

  1. Introduced, passed

    Sep 4, 2025

  2. Committee, passed

    Approved

  3. Senate vote, passed

    Passed Nov 18, 2025

  4. Assembly vote, passed

    Passed Jan 13, 2026

  5. Governor, passed

    Signed

  6. Law, here now

    2025 Wisconsin Act 107

Latest entry in the official record, Mar 20, 2026: “Published 3-21-2026”

Read the bill

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The same bill was also filed in the Assembly as AB 417. That version died when the session ended.

What it does

Summary by the , the Legislature's nonpartisan drafting office. It's their wording, not ours.

Under current law, in a criminal case for throwing or expelling bodily substances at a public safety worker or prosecutor or at specified individuals in a prison, if the district attorney has probable cause to believe that the act carried a potential for transmitting a communicable disease to the victim and involved the defendant’s blood, semen, vomit, saliva, urine, or feces or other bodily substance of the defendant, the district attorney must apply to the circuit court for an order to require the defendant to submit to testing to detect the presence of communicable diseases, and those results must be disclosed to the victim if certain criteria are met.

This bill amends the process under current law to apply to any crime if the district attorney has probable cause to believe that the act carried a potential for transmitting a communicable disease to a public safety worker, prosecutor, or correctional staff member and involved the defendant’s blood, semen, vomit, saliva, urine, or feces or other bodily substance of the defendant.

Read the full summary

The bill also creates an expedited process for testing when it is requested by a public safety worker, prosecutor, or correctional staff member. Under the bill, the district attorney may, at any time, regardless of whether criminal proceedings have commenced, apply to the circuit court for a waiver of the normal hearing requirement and for an emergency order to require the defendant to immediately submit to testing. Under the bill, the district attorney may make such an application only if the district attorney has probable cause to believe that waiving the hearing and expediting a defendant to submit to testing will prevent a public safety worker, prosecutor, or correctional staff member from experiencing bodily harm that could result from delaying the test. Under the bill, the court must immediately hear the application for an emergency order and grant the order if it finds that the existing requirements for such an order are met and also finds that waiving the hearing and expediting the defendant to submit to testing will prevent a public safety worker, prosecutor, or correctional staff member from experiencing bodily harm that could result from delaying the test.

The bill also provides that if a defendant is found guilty of a crime for which the court has required the defendant to submit to communicable disease testing, the defendant must be required to pay, as restitution, the costs of any communicable disease testing that was ordered.

Who's behind it

2 senators are its ⁠. All 2 are Republicans.

15 more lawmakers ⁠.

See all 17 names

Authors (2)

Signed on in support (15)

What it would cost

State agencies filed a . Each opens as a PDF from the Legislature.

Versions and amendments

Every text the Legislature printed for this bill, including proposed changes. Each opens on the Legislature's site.

How lawmakers voted

There were 2 votes on this bill.

Senate Committee on Judiciary and Public Safety vote on an amendment

Passed, 8 to 0 · Oct 22, 2025

No member-by-member record exists for this vote. Committee votes and some older sessions record totals only.

Official motion: “Report adoption of Senate Substitute Amendment 2 recommended by Committee on Judiciary and Public Safety, Ayes 8, Noes 0”. Official record · This vote on its own page

Senate Committee on Judiciary and Public Safety vote to recommend it

Passed, 8 to 0 · Oct 22, 2025

No member-by-member record exists for this vote. Committee votes and some older sessions record totals only.

Official motion: “Report passage as amended recommended by Committee on Judiciary and Public Safety, Ayes 8, Noes 0”. Official record · This vote on its own page

What happened

  1. Mar 20, 2026

    The new law was published.

  2. Mar 20, 2026

    The governor signed it. It became 2025 Wisconsin Act 107.

  3. Mar 19, 2026

    2 more representatives signed on in support.

  4. Mar 18, 2026

    Sent to the governor.

  5. Jan 23, 2026 to Mar 17, 2026

    3 more representatives signed on in support.

  6. Jan 13, 2026

    The Assembly passed it too.

  7. Jan 7, 2026

    Sent to the Assembly Committee on Rules.

  8. Nov 19, 2025

    The Assembly received it.

  9. Nov 18, 2025

    The Senate passed it.

  10. Nov 18, 2025

    The Senate adopted it.

  11. Nov 13, 2025

    A state agency sent in its estimate of the cost.

  12. Nov 11, 2025

    A state agency sent in its estimate of the cost.

  13. Oct 22, 2025

    The committee voted to recommend passing it, 8 to 0.

  14. Oct 22, 2025

    “Report adoption of Senate Substitute Amendment 2 recommended by Committee on Judiciary and Public Safety, Ayes 8, Noes 0” (the official wording)

  15. Sep 17, 2025

    The committee held a public hearing.

  16. Sep 4, 2025

    Sent to the Senate Committee on Judiciary and Public Safety.

  17. Sep 4, 2025

    Introduced in the Senate.

See the official record, word for word
  1. Sep 4, 2025 · Senate

    Introduced by Senators Feyen and Marklein; cosponsored by Representatives Melotik, Behnke, Dittrich, Kaufert, Kreibich, Murphy, Mursau, Piwowarczyk, Sheehan and Wichgers

  2. Sep 4, 2025 · Senate

    Read first time and referred to Committee on Judiciary and Public Safety

  3. Sep 17, 2025 · Senate

    Public hearing held

  4. Sep 29, 2025 · Senate

    Senate Substitute Amendment 1 offered by Senator Feyen

  5. Oct 1, 2025 · Senate

    Senate Substitute Amendment 2 offered by Senator Feyen

  6. Oct 22, 2025 · Senate

    Executive action taken

  7. Oct 22, 2025 · Senate

    Report adoption of Senate Substitute Amendment 2 recommended by Committee on Judiciary and Public Safety, Ayes 8, Noes 0

  8. Oct 22, 2025 · Senate

    Report passage as amended recommended by Committee on Judiciary and Public Safety, Ayes 8, Noes 0

  9. Oct 22, 2025 · Senate

    Available for scheduling

  10. Nov 11, 2025 · Senate

    Fiscal estimate received

  11. Nov 13, 2025 · Senate

    Fiscal estimate received

  12. Nov 14, 2025 · Senate

    Placed on calendar 11-18-2025 pursuant to Senate Rule 18(1)

  13. Nov 18, 2025 · Senate

    Read a second time

  14. Nov 18, 2025 · Senate

    Senate Substitute Amendment 2 adopted

  15. Nov 18, 2025 · Senate

    Ordered to a third reading

  16. Nov 18, 2025 · Senate

    Rules suspended to give bill its third reading

  17. Nov 18, 2025 · Senate

    Read a third time and passed

  18. Nov 18, 2025 · Senate

    Ordered immediately messaged

  19. Nov 19, 2025 · Assembly

    Received from Senate

  20. Jan 7, 2026 · Assembly

    Read first time and referred to committee on Rules

  21. Jan 8, 2026 · Assembly

    Placed on calendar 1-13-2026 by Committee on Rules

  22. Jan 13, 2026 · Assembly

    Rules suspended to withdraw from calendar and take up

  23. Jan 13, 2026 · Assembly

    Read a second time

  24. Jan 13, 2026 · Assembly

    Ordered to a third reading

  25. Jan 13, 2026 · Assembly

    Rules suspended

  26. Jan 13, 2026 · Assembly

    Read a third time and concurred in

  27. Jan 13, 2026 · Assembly

    Ordered immediately messaged

  28. Jan 14, 2026 · Senate

    Received from Assembly concurred in

  29. Jan 15, 2026 · Senate

    Report correctly enrolled

  30. Jan 23, 2026 · Senate

    Representative Doyle added as a cosponsor

  31. Mar 6, 2026 · Senate

    Representative Brown added as a cosponsor

  32. Mar 17, 2026 · Senate

    Representative Billings added as a cosponsor

  33. Mar 18, 2026 · Senate

    Presented to the Governor on 3-18-2026

  34. Mar 19, 2026 · Senate

    Representative Subeck added as a cosponsor

  35. Mar 19, 2026 · Senate

    Representative Emerson added as a cosponsor

  36. Mar 20, 2026 · Senate

    Report approved by the Governor on 3-20-2026. 2025 Wisconsin Act 107

  37. Mar 20, 2026 · Senate

    Published 3-21-2026

Terms on this page

Wisconsin Act

The number a bill gets when it becomes law, like 2025 Wisconsin Act 12.

Official term: Act. More in the glossary

Legislative Reference Bureau

The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.

Official term: LRB analysis. More in the glossary

Author

A lawmaker who formally puts a bill forward. The text itself is drafted by the Legislative Reference Bureau.

Official term: Author, coauthor. More in the glossary

Signed on in support

Lawmakers who back a bill without being one of its authors, often from the other chamber.

Official term: Cosponsor. More in the glossary

Cost estimate

A state agency's estimate of what a bill would cost or save.

Official term: Fiscal estimate. More in the glossary

Roll call

A vote where each lawmaker's yes or no is recorded by name.

Official term: Roll call vote. More in the glossary

From the Wisconsin Legislature's official record, checked Sep 15, 2026. See the source

Wisconsin Act

The number a bill gets when it becomes law, like 2025 Wisconsin Act 12.

Official term: Act

Legislative Reference Bureau

The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.

Official term: LRB analysis

Author

A lawmaker who formally puts a bill forward. The text itself is drafted by the Legislative Reference Bureau.

Official term: Author, coauthor

Signed on in support

Lawmakers who back a bill without being one of its authors, often from the other chamber.

Official term: Cosponsor

Cost estimate

A state agency's estimate of what a bill would cost or save.

Official term: Fiscal estimate

Roll call

A vote where each lawmaker's yes or no is recorded by name.

Official term: Roll call vote