Illinois St 556 Form - Web the illinois department of revenue dec. Web click here to go to mytax illinois to file your return online. Web agency of illinois state government — vehicles, watercraft, aircraft, trailers, and mobile homes (house trailers) — at retail. 1, 2021 published a revised guide for reporting sales using form st.
Web click here to go to mytax illinois to file your return online. Web the illinois department of revenue dec. 1, 2021 published a revised guide for reporting sales using form st. Web agency of illinois state government — vehicles, watercraft, aircraft, trailers, and mobile homes (house trailers) — at retail.