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Bills · 2025-2026 Regular Session

AB 378

Died at session end Official bill text Atom feed

Relating to: prohibiting the state from sharing data with the federal government that contains personally identifiable information if the data is not first masked or otherwise anonymized and authorizing a civil cause of action for negligent violations of that prohibition. (FE)

Court Court — Fee Damage personal injury Data processing — Privacy issues Day care Federal_state relations Legislature — Member State agencies

  1. Introduced, stopped here
  2. Passes Assembly, not reached
  3. Passes Senate, not reached
  4. Governor signs, not reached
  5. Law, not reached

Unfamiliar terms? Glossary

What this bill does

Plain-language analysis by the nonpartisan Legislative Reference Bureau

Under this bill, except as specified below, no state agency or other body in Wisconsin state government, including the legislature and the courts, may share with the federal government data containing personally identifiable information unless the data is first masked or otherwise anonymized. Under the bill, any person who negligently violates that prohibition is liable to any person injured as a result of the violation for actual damages to that person, exemplary damages of not more than $1,000, and costs and reasonable actual attorney fees.

Notwithstanding the bill’s prohibition, under the bill, a state agency may share unmasked data with federal officials or agencies to the extent necessary to comply with other state law or federal law or to carry out the administration of a state or federal program; a member of the legislature may share unmasked data with federal officials or agencies to the extent necessary to carry out constituent relations or the member’s other official duties; and a court may share unmasked data with federal officials or agencies to the extent necessary to carry out the court’s official duties.

What it would cost

Fiscal estimates filed by state agencies, as official PDFs

Sponsors

Introduced by: Anderson (D) , Andraca (D) , Arney (D) , Bare (D) , Billings (D) , Brown (D) , Clancy (D) , Cruz (D) , DeSanto (D) , DeSmidt (D) , Emerson (D) , Fitzgerald (D) , Goodwin (D) , Haywood (D) , Hong (D) , Hysell (D) , J. Jacobson (D) , Joers (D) , Johnson (D) , Kirsch (D) , Madison (D) , Mayadev (D) , McCarville (D) , McGuire (D) , Miresse (D) , Moore Omokunde (D) , Neubauer (D) , Ortiz-Velez (D) , Palmeri (D) , Phelps (D) , Prado (D) , Rivera-Wagner (D) , Roe (D) , Sheehan (D) , Sinicki (D) , Snodgrass (D) , Stroud (D) , Stubbs (D) , Subeck (D) , Tenorio (D) , Udell (D) , Vining (D)

6 cosponsors

Carpenter (D) , Drake (D) , Hesselbein (D) , Keyeski (D) , Larson (D) , Ratcliff (D)

Full history

  1. Jul 17, 2025 · Assembly

    Introduced by Representatives Bare, Cruz, Hong, Hysell, Mayadev, Anderson, Andraca, Arney, Billings, Brown, Clancy, DeSanto, DeSmidt, Emerson, Fitzgerald, Goodwin, Haywood, J. Jacobson, Joers, Johnson, Kirsch, Madison, McCarville, McGuire, Miresse, Neubauer, Ortiz-Velez, Palmeri, Phelps, Prado, Rivera-Wagner, Roe, Sheehan, Sinicki, Moore Omokunde, Snodgrass, Stroud, Stubbs, Subeck, Tenorio, Udell and Vining; cosponsored by Senators Hesselbein, Larson, Carpenter, Keyeski, Ratcliff and Drake

  2. Jul 17, 2025 · Assembly

    Read first time and referred to Committee on State and Federal Relations

  3. Jul 24, 2025 · Assembly

    Fiscal estimate received

  4. Jul 24, 2025 · Assembly

    Fiscal estimate received

  5. Jul 24, 2025 · Assembly

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  28. Aug 11, 2025 · Assembly

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  34. Oct 7, 2025 · Assembly

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  35. Jan 14, 2026 · Assembly

    Fiscal estimate received

  36. Mar 23, 2026 · Assembly

    Failed to pass pursuant to Senate Joint Resolution 1