Wisconsin Statutes
Wis. Stat. § 23.45 (2026)
Nondisclosure of certain personal information
✓ current as of July 2026
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23.45(1)(a)(a) “Approval” means any approval issued by the department or its agents through an automated system established by the department for the issuance of approvals under s. 29.024 or the issuance of vehicle admission receipts under s. 27.01 (7m) (d).
23.45(1)(b)(b) “List” means a computer generated list compiled or maintained by the department from information provided to the department by individuals who have applied for an approval or for registration and that contains the personal identifiers of 10 or more of those individuals.
23.45(1)(c)(c) “Personal identifier” means a name, social security number, telephone number, street address, post-office box number, 9-digit extended zip code, or electronic mail address.
23.45(1)(d)(d) “Registration” means any registration document, as defined in s. 23.33 (1) (jn), 23.335 (1) (zg), or s. 350.01 (10t), or any certification or registration document, as defined in s. 30.50 (3b), that is issued by the department or its agents.
23.45(2)(2) If a form that the department or its agents require an individual to complete in order to obtain an approval or a registration requires the individual to provide any of the individual’s personal identifiers, the form shall include a place for the individual to declare that the individual’s personal identifiers obtained by the department or its agents from the information on the form may not be disclosed on a list that the department furnishes to another person.
23.45(3)(3) If the department or its agents require an individual to provide, by telephone or other electronic means, any of the individual’s personal identifiers in order to obtain an approval or a registration from the department, the department or its agents shall ask the individual at the time that the individual provides the information if the individual wants to declare that the individual’s personal identifiers obtained by telephone or other electronic means may not be disclosed on a list that the department furnishes to another person.
23.45(4)(4) The department shall provide to an individual upon request a form that includes a place for the individual to declare that the individual’s personal identifiers obtained by the department or its agents may not be disclosed on a list that the department furnishes to another person.
23.45(5)(a)(a) The department may not disclose on any list that it furnishes to another person a personal identifier of any individual who has made a declaration under sub. (2), (3) or (4).
23.45(5)(b)(b) Paragraph (a) does not apply to a list that the department furnishes to another state agency, a law enforcement agency or a federal governmental agency. A state agency that receives a list from the department containing a personal identifier of any individual who has made a declaration under sub. (2), (3) or (4) may not disclose the personal identifier to any person other than a state agency, a law enforcement agency or a federal governmental agency.
Notes of Decisions
Cited in 2
cases, 1989–2009 · leading case: Heritage Farms, Inc. v. Markel Ins. Co., 2009 WI 27 (Wis. 2009).
Heritage Farms, Inc. v. Markel Ins. Co., 2009 WI 27 (Wis. 2009). “39 , Wis. Stat. §23.45 and Wis. Stat. § 25.11 (2) are referenced.”
Milwaukee Cnty. Pavers Ass'n v. Fiedler, 710 F. Supp. 1532 (W.D. Wis. 1989). “However, the revision as it appears in the Federal Register does not indicate the basis for the change or how to reconcile the *1543 current inconsistency between § 23.45’s use of the term minority and the 1987 Act’s use of the term "disadvantaged.”
— Wis. Stat. § 23.45(k) — 1 case
Milwaukee Cnty. Pavers Ass'n v. Fiedler, 710 F. Supp. 1532 (W.D. Wis. 1989). “However, the revision as it appears in the Federal Register does not indicate the basis for the change or how to reconcile the *1543 current inconsistency between § 23.45’s use of the term minority and the 1987 Act’s use of the term "disadvantaged.”
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