Telephone Numbers: Delaware Division of Revenue, Resident expert page. Unemployment Insurance Local Offices.

Withholding tax questions.

Withholding tax forms.

Form CRA, Combined Registration Application for State of Delaware Business License and/or Withholding Agent. All businesses must complete this form. Print, complete, and mail to the address on the form. (14-page Acrobat document)

Request for Change forms. Form UC-8C, to report changes to company information, such as name or address to the Delaware Department of Labor. To inform the Division of Revenue of your changes, use the "Request for Change" coupon in the packet of forms sent to you by the agency.

Steps for registering a new business. Convenient links to Delaware agencies you must contact.

Form UC-1, Report to determine Unemployment Insurance tax liability and if liable, to apply for an Employer Account Number. All new Delaware employers must complete this form and mail to the address on the form.

Unemployment Compensation Insurance Employer's Handbook, an online guide.

Adjustment Application for UC-8/8A. On the agency website.

City of Wilmington Application for Business License. Complete this application to receive the coupons needed to pay the city employer license fee.

City of Wilmington Application for Earned Income Taxpayer Account

workerscompensation.com, a comprehensive resource for Workers' Compensation in Delaware, including forms.

New hire reporting information.