Employment Offer Letter Instructions. Need help drafting a job offer letter?A sample letter offering a job contingent upon the results of a background check or other criteria. A sample offer letter of employment is included to assist you in drafting your own offer letter or for comparison with any offer letter you may receive. Here, you'll find guidance on constructing and tailoring an employment offer letter template to align with your specific requirements. Simply complete the Employment Offer Letter form below and click View Results to see your completed contract. This offer will remain valid until the close of business on April 28, 2010 with an expected start date on or before June 1, 2010. Learn what to include in a job offer letter and use our ready made template. Use this email template when you need to send a favorable candidate a formal job offer to see whether they will accept it. Massachusetts does not require employment offers to be in writing, but many employers do make written employment offers.