If the employee is in the UAE, he must sign the offer letter before the employer can seek MoHRE's preliminary approval for his employment. Don't sign the offer letter and it's illegal.The ministry of labor UAE employment contract is made for two years only. Writing an employment offer letter isn't easy; you must create a compelling agreement that favors both the candidate and your company. Download a sample Job Offer Letter template that you can customize with Microsoft Word® Business Letters I submitted my documents, filled out some forms and told to wait for an offer letter.