A sample letter offering a job contingent upon the results of a background check or other criteria. Offer Letter (Recommended) – After a job offer has been made and accepted, an offer letter may be completed and given to the new hire.Enroll full-time at the University of Utah. 2. Under the terms of this offer, you would be foreign national holding an employer sponsored immigration status. The offer letter is usually sent out after either HR or the hiring manager calls the candidate to verbally offer them the job. Offer Letter (Recommended) – After a job offer has been made and accepted, an offer letter may be completed and given to the new hire. Many companies will want offer letters to state that compensation may be modified from time to time, in the company's discretion. And, they will rescind your job offer long after you showed up for your first day of work. Terms in an offer letter may make a difference. Once I sign the offer letter, I don't intend to keep up the job search.