Employer Forms and Publications
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Frequently Used Forms and Publications

Some of the most frequently used forms and publications by employers are provided below, covering topics and specific questions that often come up when doing business with IDES. Click here for more employer forms.

Fast Facts for Employers
Fast Facts provides guidance on the Illinois unemployment insurance law, details on employer tax rates, resources for finding and hiring qualified employees, local labor market information, and special assistance in layoff situations.
Unemployment Insurance Notice (Poster)
This poster fulfills all posting requirements for the Illinois Department of Employment Security. Employers are required to post this notice in a conspicuous place for all employees.
Report to Determine Liability Under the UI Act (Form UI-1)
This IDES form must be filed within 30 days by any employing unit that commences business in Illinois, whether by purchase of a business already being operated, by starting a new business, or otherwise.
Employers Claim for Adjustment or Refund (Form UI-28)
This form is used by an employer to file a claim for adjustment/refund not later than three years after the date upon which any contributions, interest or penalties were paid erroneously.
Notice of Change (Form UI-50A)
Employers use this form to report name, address, telephone, or other miscellaneous changes to the business. It is also used to close a business UI tax account.
Employers Contribution and Wage Report (Form UI-3/40, Quarterly)
For employers filing a paper-style report for 2014 and in future years, quarterly contribution and wage reports are made using Form Ul-3/40. Note: TaxNet is the preferred method for filing both monthly and quarterly reports.
Voluntary Leave Questionnaire - Employers (Form ADJ002FE)
An employer form used to collect information about whether an individual who quits his/her job did so without good cause attributable to his/her employer.
Able and Available Questionnaire for Employers (Form ADJ017FE)
IDES uses this form to determine whether an unemployed individual able to work, available for work and actively seeking work. The information provided will be used for the purpose of determining a claimant's eligibility for benefits.
Application for Revision of Benefit Charges (Form BCS001F)
The form is used by an employer to protest benefit charges for former employee(s) who may have been erroneously paid unemployment benefits.
Illinois Unemployment Insurance Law Handbook (CLI106L)
IDES published the Illinois Unemployment Insurance Law Handbook (also known as the UI Law Handbook) in response to a need for a single, comprehensive, and updated legal resource.