This is a legal form that was released by the Illinois Department of Revenue - a government authority operating within Illinois. As of today, no separate filing guidelines for the form are provided by the issuing department.
Q: What is Form IL-1040-ES?
A: Form IL-1040-ES is the Estimated Income Tax Payments form for individuals in Illinois.
Q: Who needs to file Form IL-1040-ES?
A: Individuals who expect to owe more than $1,000 in Illinois income tax for the year should file Form IL-1040-ES.
Q: When is the deadline for filing Form IL-1040-ES?
A: The deadlines for filing Form IL-1040-ES vary depending on the tax year. Generally, the deadlines are April 15th, June 15th, September 15th, and January 15th.
Q: What happens if I don't file Form IL-1040-ES?
A: If you don't file Form IL-1040-ES or fail to make sufficient estimated tax payments, you may be subject to penalties and interest on the underpayment of taxes.
Form Details:
Download a fillable version of Form IL-1040-ES by clicking the link below or browse more documents and templates provided by the Illinois Department of Revenue.