A sample letter offering a job contingent upon the results of a background check or other criteria. "Talk about the compensation package your company offers for the position.The offer letter should provide details on the salary and pay periods. Need help drafting a job offer letter? Employment Offer Letter Instructions. It contains basic details such as the candidate's designation, total compensation, benefits, and employment start date. New Hire Paperwork for Illinois includes filing of federal and state forms. They are W-4, IL-W-4, I-9 and WOTC. The next item is Complete Fields. Simply complete the Employment Offer Letter form below and click View Results to see your completed contract.