I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. A sample letter offering a job contingent upon the results of a background check or other criteria.Download Illinois Employment Acceptance Letter template, modify and send for signing using BoloForms Signature. Edu or 217-333-0100. A payment installment plan is an agreement between you and the Illinois Department of Revenue to pay your tax delinquencies using a monthly payment plan.