What should be included in offer letters? An offer letter provides crucial details about the role, including salary, benefits, and start date, setting the foundation for the employment relationship.The internship offer letter should include the start and end dates of the internship, as well as the number of working hours per week. However, the employer should be mindful of the language used in the offer letter, or it may be construed as an employment contract or agreement. The offer letter should state the salary, when your benefits will first become available, and what your start date will be. Your appointment is not official until a Florida State. University Employment Contract has been properly executed. Take this easy-to-use template and draft a simple offer letter to send out to them. You will need to meet with your academic advisor to fill out a CPT Request Form. I'm writing to you regarding the marketing role that opened up at Hart Marketing recently.