You will be required to serve a six-month probationary period. Insurance. Next subsection, if the position is based on a probationary period enter that period of time here.For example, you may enter 3 months or 30 days. Need help drafting a job offer letter? In the formal offer letter, provide comprehensive details about the position, compensation, benefits, and other pertinent terms. What is their job title and proposed start date? You may also include information about their probationary period, if applicable, and the date this ends. 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. Your position title is . Your employment will be probationary for 90 days upon which we will review your performance and compensation.