Chicago, Ill., Mun. Code ch. 7-28 § 7-28-631
Corrosive or caustic acid registry (Chicago Health Nuisances Ordinance)
Operative Text
Restrictions on purchase, receipt, or acquisition of any corrosive or caustic acid. (a) Except as provided in subsection (c) of this section, any person wishing to purchase, receive, or otherwise acquire any corrosive or caustic acid, including but not limited to sulfuric acid, shall, prior to taking possession: (1) provide a driver's license or other government-issued identification showing the person's name, date of birth, and photograph; and (2) sign a log documenting the name and address of the person, date and time of the transaction, and brand and product name and total quantity distributed of any corrosive or caustic acid, including but not limited to sulfuric acid. (b) Except as provided in subsection (c) of this section, no person shall knowingly purchase, receive, or otherwise acquire more than one package from a retail location in a 24-hour period. (c) This section shall not apply to manufacturing and wholesale druggists, retail druggists, physicians, chemists, regularly established laboratories, or to persons who have procured any of said substances for medicinal purposes upon a prescription of a physician regularly licensed under the laws of the state. The Commissioner of the Department of Business Affairs and Consumer Protection shall have the authority to promulgate rules and regulations for the implementation and enforcement of this section. (Added Coun. J. 11-10-10, p. 105160, § 3; Amend Coun. J. 11-8-12, p. 38872, § 144)
Chicago, Ill., Mun. Code ch. 7-28 § 7-28-631 establishes a registry system for the purchase of corrosive or caustic acids, such as sulfuric acid, at retail locations. Before taking possession, a buyer must present a government-issued photo ID and sign a log recording their name, address, the transaction time, and the product details. The rule also caps retail purchases at one package per person within any 24-hour period, with exemptions for licensed pharmacists, physicians, chemists, and established laboratories.
Plain English — not legal advice.
Property owners and managers who stock or sell corrosive or caustic acids at any Chicago facility should be aware that Chicago, Ill., Mun. Code ch. 7-28 § 7-28-631 requires retail sellers to collect government-issued photo identification and maintain a signed transaction log before releasing these products to a buyer. Compliant operators typically keep accurate records of each transaction, including the buyer's name and address, date and time, and the brand, product name, and quantity distributed. The Commissioner of the Department of Business Affairs and Consumer Protection holds rulemaking authority over this section, so operators generally monitor any administrative rules issued under it.
General guidance for property managers — not legal advice for your specific situation. Consult an attorney for advice on your case.
Chicago, Ill., Mun. Code ch. 7-28 § 7-28-631 affects anyone purchasing corrosive or caustic acids at a Chicago retail location, requiring them to show a government-issued photo ID and sign a transaction log before taking possession. Buyers are also limited to one package per retail location within a 24-hour period, though exemptions exist for those obtaining such substances for medicinal purposes under a physician's prescription. Individuals who believe a seller is not following these procedures, or who have questions about their rights under this provision, may consider contacting the Chicago Department of Business Affairs and Consumer Protection or a local tenant-rights or consumer-protection organization for general guidance.
General guidance for tenants — not legal advice for your specific situation. Consult a tenant-rights organization or attorney for advice on your case.
Generated September 18, 2026 — auto-generated, not yet human-reviewed. See /transparency for methodology.
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