A good job offer letter should note that hiring is contingent upon the new hire completing all of the new hire paperwork. An offer letter typically shows the general terms of employment – pay, benefits, perhaps a bonus or commission plan, and a start date.Employment Offer Letter Instructions. (Hiring Supervisor Name). (Title). Learn what to include in a job offer letter and use our ready made template. In the formal offer letter, provide comprehensive details about the position, compensation, benefits, and other pertinent terms. A sample letter offering a job contingent upon the results of a background check or other criteria. Offer letter amendment is possible, especially in an "at-will" position where employee or employer can terminate the agreement if it proves unsatisfactory. An employment contract is a legal agreement between an employee and an employer. It sets the terms of employment, such as wages and job duties.