This is a legal form that was released by the Illinois Department of Revenue - a government authority operating within Illinois. Check the official instructions before completing and submitting the form.
Q: What is Form ST-1?
A: Form ST-1 is the sales and use tax return form in Illinois.
Q: What is the purpose of Form ST-1?
A: Form ST-1 is used to report and pay sales and use tax, as well as the E911 surcharge in Illinois.
Q: Who needs to file Form ST-1?
A: Any business or individual that sells taxable goods or services in Illinois is required to file Form ST-1.
Q: What is the E911 surcharge?
A: The E911 surcharge is a fee collected to support the operation of the emergency telephone system in Illinois.
Q: How often should Form ST-1 be filed?
A: Form ST-1 should be filed on a monthly basis, unless the taxpayer qualifies for a different filing frequency.
Q: What are the consequences of not filing Form ST-1?
A: Failure to file Form ST-1 or underreporting sales and use tax can result in penalties and interest charges.
Q: What are the common mistakes to avoid when filing Form ST-1?
A: Common mistakes include not reporting all taxable sales, using incorrect tax rates, and failing to remit the E911 surcharge.
Q: How long should I keep a copy of Form ST-1?
A: Taxpayers should keep a copy of Form ST-1 and supporting documentation for at least three years.
Form Details:
Download a fillable version of Form ST-1 by clicking the link below or browse more documents and templates provided by the Illinois Department of Revenue.