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Instructions for Forms ST-556-WS and ST-556-LSE-WS, Worksheets and Signature Documents for Form ST-556 and for Form ST-556-LSE

General Information:

Form ST-556-WS, Worksheet and Signature Document for Form ST-556, and Form ST-556-LSE-WS, Worksheet and Signature Document for Form ST-556-LSE, are to be used to collect your customer’s signature for your records and to help you prepare for your electronic filing session through MyTax Illinois, available at mytax.illinois.gov, or other electronic systems. Do NOT mail either worksheet to the Illinois Department of Revenue (IDOR).

Worksheets sent to IDOR will be considered unprocessable returns and subject to the penalties that apply.

Specific instructions for these worksheets:

These worksheets are for the dealership’s records only. Do not mail either form to IDOR or to the Illinois Secretary of State.

Tax return no. — After you have completed your electronic filing session, you must record the tax return (transaction) number that you receive. This number is unique to the return you just submitted and will be important for tracking purposes if follow up with IDOR is needed.

Dealership identification and location information — Complete these items with the appropriate information to identify your dealership and the location of the sale.

Items 1 through 6 of ST-556-WS and Items 1 through 9 of ST-556-LSE-WS — These items follow the same formatting and requirements of the paper Form ST-556 or Form ST-556-LSE with which you already are familiar. Additional instructions for Forms ST-556 and ST-556-LSE are available on our website at tax.illinois.gov.

Specific instructions for dealerships using MyTax Illinois:

MyTax Illinois requires payment at the time of filing.

If you are part of the Secretary of State electronic mandate —You must record the tax return number provided at the end of your MyTax Illinois filing session. This number will be required by the Secretary of State’s electronic system.

If you title and register with the Secretary of State using paper — You will need to print the confirmation screen or the applicable return displaying your confirmation number, tax return number, and appropriate identification number (i.e., VIN, HIN, N).