Registration File Submission Format for Bulk Filers

This format is for service providers to submit information to the Iowa Department of Revenue to register clients for Iowa withholding tax.

1. Create an ASCII text file with one line for each client in the following format.

2. Send the file as an e-mail attachment to the Iowa Department of Revenue eFile Service Unit.

  1. Put Registration File Submission for clients in the Subject Line.
  2. Include your name, phone number and Business eFile Number (BEN) in the text of the e-mail.
  3. Attach the file.

Registrations processing may take up to 2 weeks. The withholding tax permit number and eFile & Pay BEN will be mailed to the taxpayer upon completion of registration processing. You will also be sent a return e-mail with a registration update.

Field Name Description/Value Length
FEIN Federal Employer Identification Number used to report federal withholding 9 Numeric
FILLER Space 1
SSN Owner Social Security Number, if sole proprietor (Optional, if not sole proprietor) 9 Numeric
FILLER Space 1
LEGAL NAME Legal Name of Employer 35 Alphanumeric
FILLER Space 1
TRADE NAME Business Name, if different than Legal name (Optional) 35 Alphanumeric
FILLER Space 1
ENTITY TYPE Corporation, sole proprietor, partnership, etc. 12 Numeric
FILLER Space 1
BUSINESS TYPE Nature of employers business (e.g. retail clothing) 40 Alphanumeric
FILLER Space 1
START DATE Date employer began withholding from employees (MM/DD/YYYY) 8
FILLER Space 1
MONTHLY WITHHOLDING Estimated amount of monthly withholding to be reported to Iowa 9 Numeric
FILLER Space 1
STREET ADDRESS Employer Location Address 20 Alphanumeric
FILLER Space 1
CITY Employer Location City 35 Alphanumeric
FILLER Space 1
STATE Employer Location State 2 Alphanumeric
FILLER Space 1
ZIP CODE Employer Location Zip code (5 or 9 digit) 9 Numeric
FILLER Space 1
RESPONSIBLE PARTY NAME   35 Alphanumeric
FILLER Space 1
RESPONSIBLE PARTY SSN   9 Numeric
FILLER Space 1
RESPONSIBLE PARTY EMAIL   48 Numeric