Employment Offer Letter Instructions. Offer letters must be prepared to preserve at-will employment status unless the employer consciously decides otherwise.See Preserving At-Will Status. You must fill out this application in person and on premises. An effective offer letter sets forth the material terms of an employee's employment and makes clear that no other "unwritten" terms are part of the agreement. 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. New Hire Forms, Miscellaneous Resources, Follow us, Department of Health and Human Services, Sign up for email updates, Submit, MDHHS Is Hiring, Apply Here. Created within 90 days of the date an offer of employment is made. This section identifies the position for which you are applying and explains why you are interested in the job. (the "Company"), I am pleased to extend to you an offer of employment as Chief Marketing Officer, subject to successful completion of the pre-employment check.