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South Dakota Promissory Note

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South Dakota at a glance: Usury Limit: No limit (if written) · Default Legal Rate: 12% per year · Governing Law: S.D. Codified Laws § 54-3-4

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Overview

Promissory Notes in South Dakota

South Dakota does not limit interest rates on written contracts. If no interest rate is written in the note, the default legal rate is 12% per year.
Key Facts

South Dakota Promissory Note — Quick Reference

RequirementSouth Dakota Rule
Usury LimitNo limit (if written)
Default Legal Rate12% per year
Governing LawS.D. Codified Laws § 54-3-4
Legal Requirements

South Dakota Legal Requirements

  • Agreement must be in writing to justify any agreed rate.
Governing Laws

South Dakota Governing Laws

S.D. Codified Laws § 54-3-4
Legal Rate of Interest
Defines the legal rate and permits unlimited written rates.

Read the full text of these laws at Cornell Law School's South Dakota legal resources or your state legislature's official website.

Questions & Answers

South Dakota Promissory Note — Frequently Asked Questions

Is there a limit on interest rates in South Dakota?

No, South Dakota has no usury cap on signed written agreements.