If you file your federal 1099 information on Magnetic Media, then you are also required to file your 1099 information with Delaware on Magnetic Media. Filing 1099s on Magnetic Media
Currently, the Delaware Division of Revenue only offers Internet or electronic filing for Personal Income Tax.
Please mail your Business Taxes to:
Delaware Division of Revenue
820 N. French Street
Wilmington, DE 19801
Include payment using check or money order.
Withholding and Corporate Tenative tax payments may be made using electronic funds transfer, please access this link to find out about the program Business Electronic Funds Transfer Program.