HB 177 has moved the go live for transitioning Delaware DBA registration from courts to DOR. DBA registration will move to DOR starting February 2nd, 2026. More Info

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Step 5: Learn About Withholding Taxes


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  3. Step 5: Learn About Withholding Taxes
Doing Business in Delaware
Step 1: Determine Business Type
Step 2: Requirements for Delaware Businesses
Step 3: Licensing and Registration Information
Step 4: Learn About Gross Receipts Taxes
Step 5: Learn About Withholding Taxes
NOTE: All withholding agents having no prior record of withholding will file on a monthly basis until the next “lookback period.”
NOTE: Payments must be made separately for each entity. Do not remit payments under one identification number and then submit W3, W2 or 1099 forms for multiple identification numbers.

Every employer maintaining an office or conducting business in Delaware who makes a payment of wages or other remuneration to a resident or non-resident (of Delaware) must pay Withholding Tax. Withholding Tax requires that a business withhold an estimated amount of tax from its employees. New employees must file Federal Form W-4 or Form W-4A regarding exemptions. Based on that information, the employer is to withhold an appropriate tax from the employee’s compensation.

Every year, employers must supply each employee with a statement showing their total wages earned and the amount of taxes withheld on a W-2 form. Employers must mail W-2 forms to all employees by January 31st. Employers must additionally file a Reconciliation of Monthly/Quarterly/Eighth-Monthly Returns on a W-3 form with a duplicate of all W-2 forms to the Division of Revenue before February 28th.

Additional information: Withholding of Delaware Income Tax, Regulations, Employer’s Duties, and Withholding Tables.

Find Withholding Due Dates

NOTE: Effective for tax periods after December 31, 2013, the income tax rate for income in excess of $60,000 will decrease to 6.6%. For tax periods after December 31, 2011 and before January 1, 2014, the income tax rate for income in excess of $60,000 is 6.75%. For taxable years beginning after December 31, 2009 and before January 1, 2012, the tax rate on income in excess of $60,000 is taxed at 6.95%.
For more information on business licenses, please contact the business license department at (302) 577-8778 or bustax@delaware.gov


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