District of Columbia Payroll Guide

There are three required tax items you’ll need in order to get set up for payroll. 

How to register: 

Withholding Account Number

New businesses can register online with the DC Office of Tax and Revenue.

UI Account Number

New businesses can register online to receive their UI Account Number. 

• Salsa needs to be authorized as your Third Party Administrator (TPA) in order to file and pay your DC unemployment insurance taxes. You can complete this process online through the DC Employer Self-Service Portal. You will need:
  • A copy of your signed DC Power of Attorney form which can be accessed from the Tax Forms tab of your Salsa Payroll dashboard.
  • Salsa Payroll’s DOES Account Number: DC5S4W
  • Roles to assign to Salsa Payroll:
    • Account Maintenance
    • Payment Submissions
    • Wage Reporting
  •  

Tax Rates

The DC Total Contribution Rate comprises both your DC UI Contribution Rate and the uniform DC Administrative Assessment Rate applicable to all businesses.

How to locate these numbers if you’re already registered:

• If you already have a DC Withholding Account Number, you can look this up online or on on correspondence from the DC Office of Tax and Revenue. If you’re unsure, contact the agency at (202)727-4829.
• If you already have a DC UI Account Number, you can either look it up online or find it on the Contribution Rate Notice mailed by the DC Department of Employment Services. If you’re unsure, contact the agency at (202)724-7000.
• The DC Tax Rate can be found online online or on the Contribution Rate Notice mailed by the DC Department of Employment Services.
• If you have questions about the Tax Rate, contact the DC Department of Employment Services at (202)724-7000 or by email at UITax.Info@dc.gov.