South Dakota § 57A-3-403 - Unauthorized signature.
Full text of South Dakota South Dakota Codified Laws § 57A-3-403 — Unauthorized signature., with citation guidance and answers to common questions.
§ 57A-3-403. Unauthorized signature.
(a) Unless otherwise provided in this article or chapter 57A-4, an unauthorized signature is ineffective except as the signature of the unauthorized signer in favor of a person who in good faith pays the instrument or takes it for value. An unauthorized signature may be ratified for all purposes of this chapter.
(b) If the signature of more than one person is required to constitute the authorized signature of an organization, the signature of the organization is unauthorized if one of the required signatures is lacking.
(c) The civil or criminal liability of a person who makes an unauthorized signature is not affected by any provision of this chapter which makes the unauthorized signature effective for the purposes of this chapter.
Source: SL 1994, ch 367, § 3-403.
Source: official South Dakota text · Last verified 2026-08-27
Frequently Asked Questions About South Dakota § 57A-3-403
What does South Dakota Codified Laws § 57A-3-403 cover?
Section 57A-3-403 ("Unauthorized signature.") is part of the South Dakota Codified Laws, the codified statutory law of South Dakota. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite South Dakota § 57A-3-403?
A common citation format is "South Dakota Codified Laws § 57A-3-403" (South Dakota). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of South Dakota law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the South Dakota official source linked on this page or consult a licensed South Dakota attorney.
How does South Dakota § 57A-3-403 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in South Dakota can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in South Dakota.