Learn how to conduct fast, compliant Illinois employment background checks in this complete guide for employers and HR managers. 5 background checks an employer might be able to use: Reference checks, Employers often do reference checks.All new hires must have fingerprint criminal background checks completed using the IDPH Web Portal once IDPH authorizes Provider access to that portal. An employer or employment agency may not inquire about or into, consider, or require disclosure of the criminal record or criminal history of an applicant. To fill out the application, start with personal information including your name and contact details. Will you undergo a post-offer, pre-employment physical? NOTE: Any person completing this Application shall be subject to a fingerprint-based criminal history record information check. A background check authorization form is a release given to allow someone else to perform credit and criminal background checks.