Delaware: 1099 State Filing Requirements
2.7k views | Last modified 1/5/2022 6:51:31 AM EST | Added by TaxBandits Team

Applicable To
94X 1099 W-2 ACA W-4

The Delaware Division of Revenue mandates the filing of the 1099 Forms only if there is a state tax withholding. TaxBandits supports the filing of Form 1099 with both the Federal and State of Delaware.

What to be filed

Form 1099 - (1099-NEC, 1099-MISC, 1099-R)
Form W-3 - (Annual Reconciliation of DE Income Tax Withheld)

Due Date

The due date to file Form 1099 with Delaware is,

  • March 31 - Form 1099 (NEC, MISC, R)
  • January 31 - Form W-3


A penalty of 5% per month, plus interest of 0.5% per month from the original due date until paid. In addition to the above penalties and interest, an additional penalty of 1% per month (not to exceed 25%) is imposed for failure to pay.

Mailing Address

State of Delaware,
Division of Revenue,
P.O. Box 830,
Wilmington, DE 19899.

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