Upload and validate a CSV, then generate a properly formatted Illinois HFS fixed-width new hire upload file. Each employee becomes one W4 record using the 801-character Illinois text layout. Illinois web uploads are limited to 500 records, 500 KB, and one FEIN per file. Digital delivery only.
CSV validation + output file generation. Download your formatted TXT output after processing.
5.00 USD per processed file. Shown before checkout.
Illinois web uploads use fixed-width W4 records. All records in one file must be for the same FEIN.
We do not provide legal advice, consulting, or filing services, and we do not submit anything to any agency on your behalf.