Compensation Subsection: Enter the salary amount being offered to the employee. The salary may be entered as an annual, monthly or hourly basis.Offer letters must be prepared to preserve at-will employment status unless the employer consciously decides otherwise. See Preserving At-Will Status. Offer letters aren't considered legal documents because these documents just propose a position to potential candidates. Learn how to write a salary verification letter and review a template, examples and tips to help you get started on writing your own. What Should Be in a Job Offer Letter? This appointment is effective on _____ at an annual (12 month) salary rate of ______. Be prepared to provide a paystub from your current position. What Should Be in a Job Offer Letter?