Learn what to include in a job offer letter and use our ready made template. Need help drafting a job offer letter?Found the perfect candidate to hire? We've got 7 types of job offer letter templates to choose from that'll help you seal the deal. Below we'll not only discuss the details of a basic employment offer letter, what should be included, and what legal considerations to keep in mind. Employment Offer Letter Instructions. USA Employment Offer Letter. An Employment Offer Letter is sent to a prospective employee to outline the exact terms and conditions of his or her new job. Get help with resume and cover letter writing, filling out online applications, and information on occupational resources. Everyone wanting to employ an off-duty officer must complete the Secondary Employment Agreement before any services are rendered.