State tax registration
South Dakota Payroll Tax Registration
Where to register, how long it takes, and what to send us.
No state income tax, so there is no withholding account to open.
State unemployment insurance
Reemployment Assistance (unemployment) tax account
South Dakota Department of Labor & Regulation
- Typical wait:
- Immediately online (about 2 to 3 weeks on paper)
- You'll receive:
- An account number (typically 7 digits, written XXXXX.X-X) and your tax rate: 1.20% for most new employers (6.00% for construction), plus a 0.55% investment fee.
- Send Unify:
- Your account number and your rate notice.
All states
Last verified September 30, 2026. Broken link? Email support@unifypayroll.com.
Hiring in South Dakota?
Call us at 970.232.1284. We'll tell you which accounts you need.