Need help drafting a job offer letter? Employment Offer Letter Instructions.SAA has developed some appointment letter templates that can be used to inform employees of their new position, salary increase, or new appointment status. An Employment Offer Letter provides the employer with an opportunity to formally make an employment offer to an employee in a clear and concise fashion. Learn what to include in a job offer letter and use our ready made template. What is included in a job offer letter? Failure to provide complete and accurate information may affect final employment, up to and including withdrawal of offer of employment. Other benefits will be described in more detail in the employee handbook and orientation package.