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How do I file Forms ST-556 and ST-556-LSE?
Retailers can file electronically through MyTax Illinois, which is the Illinois Department of Revenue’s online filing, payment, and account management system that retailers can use to file returns and make payments. There is no fee to register for a MyTax Illinois account.
Retailers can also file Forms ST-556 and ST-556-LSE electronically using an approved service provider in the Electronic Registration and Title (ERT) program.
Retailers whose annual gross receipts average $20,000 or more must file Forms ST-556 and ST-556-LSE electronically. 35 ILCS 120/3; 35 ILCS 105/9.
Retailers may request a waiver of the electronic filing requirement if they do not have internet access or demonstrate hardship in filing electronically. Retailers should contact Taxpayer Assistance at 1 800 732-8866, 217 782-3336, or 1 800 544-5304 (TTY) to request a waiver form, complete the waiver form, and mail it to the address listed on the form. IDOR will notify the retailer if the waiver request is approved or denied.
Retailers not mandated to file Form ST-556 and ST-556-LSE electronically or who have received a waiver of the electronic filing requirement can request preprinted paper returns by calling our Central Registration Division at 217 785-3707. Retailers can also obtain preprinted paper returns using MyTax Illinois. Note that preprinted paper forms will be pre-filled with certain information for each of the retailer’s business locations.
For information about Form ST-556 and Form ST-556-LSE, see: