EdLaw nat/us/state/sd/data-breach/BREACH-NOTIFICATION.md

language: en · last checked: 2026-10-08

South Dakota — notice of breach of system security (SDCL 22-40-19 to 22-40-26)

South Dakota’s data-breach statute (SL 2018, ch 135), which binds any “information holder” that conducts business in the state and owns or licenses computerized personal or protected information: definitions (22-40-19), notice to affected persons within sixty days and to the attorney general above 250 residents (22-40-20), law-enforcement delay (22-40-21), methods of notice (22-40-22, 22-40-23), consumer-reporting-agency notice (22-40-24), enforcement (22-40-25) and the federal-regulation safe harbour (22-40-26).

SDCL 22-40-19. Definition of terms in §§ 22-40-19 to 22-40-26

Verbatim from the South Dakota Legislature — Codified Laws; read live from the LRC statutes API on the fetch date in frontmatter.

Terms in §§ 22-40-19 to 22-40-26, inclusive, mean:

The term does not include information that is lawfully made available to the general public from federal, state, or local government records or information that has been redacted, or otherwise made unusable; and

Source: SL 2018, ch 135, § 1.

SDCL 22-40-20. Notice of breach of system security--Exception

Verbatim from the South Dakota Legislature — Codified Laws; read live from the LRC statutes API on the fetch date in frontmatter.

Following the discovery by or notification to an information holder of a breach of system security an information holder shall disclose in accordance with § 22-40-22 the breach of system security to any resident of this state whose personal or protected information was, or is reasonably believed to have been, acquired by an unauthorized person. A disclosure under this section shall be made not later than sixty days from the discovery or notification of the breach of system security, unless a longer period of time is required due to the legitimate needs of law enforcement as provided under § 22-40-21. An information holder is not required to make a disclosure under this section if, following an appropriate investigation and notice to the attorney general, the information holder reasonably determines that the breach will not likely result in harm to the affected person. The information holder shall document the determination under this section in writing and maintain the documentation for not less than three years.

Any information holder that experiences a breach of system security under this section shall disclose to the attorney general by mail or electronic mail any breach of system security that exceeds two hundred fifty residents of this state.

Source: SL 2018, ch 135, § 2.

SDCL 22-40-21. Delay of notice that would impede criminal investigation

Verbatim from the South Dakota Legislature — Codified Laws; read live from the LRC statutes API on the fetch date in frontmatter.

A notification required under § 22-40-20 may be delayed if a law enforcement agency determines that the notification will impede a criminal investigation. If the notification is delayed, the notification shall be made not later than thirty days after the law enforcement agency determines that notification will not compromise the criminal investigation.

Source: SL 2018, ch 135, § 3.

SDCL 22-40-22. Types of notice of breach of system security

Verbatim from the South Dakota Legislature — Codified Laws; read live from the LRC statutes API on the fetch date in frontmatter.

A disclosure under § 22-40-20 may be provided by:

Source: SL 2018, ch 135, § 4.

SDCL 22-40-23. Notice of breach of system security in accordance with information holder's policies

Verbatim from the South Dakota Legislature — Codified Laws; read live from the LRC statutes API on the fetch date in frontmatter.

Notwithstanding § 22-40-22, if an information holder maintains its own notification procedure as part of an information security policy for the treatment of personal or protected information and the policy is otherwise consistent with the timing requirements of this section, the information holder is in compliance with the notification requirements of § 22-40-22 if the information holder notifies each person in accordance with the information holder's policies in the event of a breach of system security.

Source: SL 2018, ch 135, § 5.

SDCL 22-40-24. Notice to consumer reporting agencies

Verbatim from the South Dakota Legislature — Codified Laws; read live from the LRC statutes API on the fetch date in frontmatter.

If an information holder discovers circumstances that require notification pursuant to § 22-40-20 the information holder shall also notify, without unreasonable delay, all consumer reporting agencies, as defined under 15 U.S.C. § 1681a in effect as of January 1, 2018, and any other credit bureau or agency that compiles and maintains files on consumers on a nationwide basis, of the timing, distribution, and content of the notice.

Source: SL 2018, ch 135, § 6.

SDCL 22-40-25. Prosecution for violations

Verbatim from the South Dakota Legislature — Codified Laws; read live from the LRC statutes API on the fetch date in frontmatter.

The attorney general may prosecute each failure to disclose under the provisions of §§ 22-40-19 to 22-40-26, inclusive, as a deceptive act or practice under § 37-24-6. In addition to any remedy provided under chapter 37-24, the attorney general may bring an action to recover on behalf of the state a civil penalty of not more than ten thousand dollars per day per violation. The attorney general may recover attorney's fees and any costs associated with any action brought under this section.

Source: SL 2018, ch 135, § 7.

SDCL 22-40-26. Notice of breach of system security in accordance with federal law

Verbatim from the South Dakota Legislature — Codified Laws; read live from the LRC statutes API on the fetch date in frontmatter.

Notwithstanding any other provisions in §§ 22-40-19 to 22-40-26, inclusive, any information holder that is regulated by federal law or regulation, including the Health Insurance Portability and Accountability Act of 1996 (P.L. 104-191, as amended) or the Gramm Leach Bliley Act (15 U.S.C. § 6801 et seq., as amended) and that maintains procedures for a breach of system security pursuant to the laws, rules, regulations, guidance, or guidelines established by its primary or functional federal regulator is deemed to be in compliance with this chapter if the information holder notifies affected South Dakota residents in accordance with the provisions of the applicable federal law or regulation.

Source: SL 2018, ch 135, § 8.