District of Columbia State 1099 Tax Filing

Does the District of Columbia require state 1099 tax filing?

Yes, the District of Columbia requires forms 1099-B, 1099-DIV, 1099-G, 1099-INT, 1099-MISC, 1099-OID, and 1099-R to be filed with the District of Columbia Office of Tax and Revenue.

Does the District of Columbia participate in Combined Federal/State Filing?

No, the District of Columbia no longer participates in Combined Federal/State Filing.

As of November 2016, the District of Columbia Office of Tax and Revenue requires 1099s to be filed through their MyTax.DC.gov web portal if you are filing 25 or more information returns. If you are filing fewer than 25 information returns, the District of Columbia Office of Tax and Revenue still encourages you to file electronically in lieu of paper.

BoomTax does not currently support filing for Form 1099-B, 1099-G, 1099-OID, or 1099-R.

What is the responsible state agency?

1101 4th Street, SW, Suite 270
West, Washington, DC 20024
(202) 727-4829

Delaware State 1099 Tax Filing

Does Delaware require state 1099 tax filing?

Yes, Delaware requires forms 1099-MISC and 1099-R to be filed with the Delaware Division of Revenue.

Does Delaware participate in Combined Federal/State Filing?

Yes, Delaware participates in Combined Federal/State Filing. However, 1099-MISC and 1099-R information is required to be submitted directly to the Delaware Division of Revenue.

What is the responsible state agency?

Thomas Collins Building
540 S. Dupont Hwy
Dover, DE 19901
(302) 744-1085

Colorado State 1099 Tax Filing

Does Colorado require state 1099 tax filing?

Yes, Colorado requires all 1099 forms to be filed with the Colorado Department of Revenue.

Does Colorado participate in Combined Federal/State Filing?

Yes, Colorado participates in Combined Federal/State Filing. If you utilize CS/SF when filing your 1099s, the IRS will forward the information to the Colorado Department of Revenue and you will not have to do so yourself.

Please note that if withholding is reported on the 1099 forms, you are required to file Form DR-1106, Annual Transmittal of State 1099 Forms to report backup withholding to the state.

What is the responsible state agency?

Taxation Divison
P.O. Box 17087
Denver, CO 80217-0087
(303) 238-7378