Important Tax Links
Important Tax Links and Tools
Listed are several different important tax links to various tools that will assist you with business and individual tax planning. Some of the tools that are available are Individual Income Tax Rates, Standard Deductions, Personal Exemptions, and Where’s my Refund?.
Tax Due Dates
Tax Calendar: Federal Due Dates. Use the tax calendars for specific IRS due dates.
IRS – Where’s my Refund?
Tool to check on the status of your refund. It provides the most up-to-date information the IRS has.
IL Dept. of Revenue – Where’s my Refund?
Where is my refund? Visit for Illinois Income Tax Refund Status.
Illinois Secretary of State
News and information about the programs and services of the Illinois Secretary of State.
Social Security Benefits
Social Security can provide you, your spouse and other eligible members of your family with benefits when you retire.
IDES: Illinois Department of Employment Security
IDES provides unemployment insurance (UI), employment services and guidance to workers, job seekers, and employers.
Costabile & Steffens
Access Tax Resources and Information
Access important tax resources and solutions to assist you with your individual and business accounting needs.