Need help drafting a job offer letter? Make a job offer and outline the responsibilities of the role.Of Homeland Security. 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. Learn what to include in a job offer letter and use our ready made template. Instructions for completing the application form. 1. You should include language that your company has the discretion to alter or rescind information of the offer letter in the future. This Standard Document is intended for private sector employers for their non-unionized workforce. It is based on federal and Massachusetts law. Add the Offer letter template fillable form for redacting.