Next enter the scheduled hours of work. A sample letter offering a job contingent upon the results of a background check or other criteria.How long does it usually take to finalize an employment offer? Every employment offer requires precisely 72 hours, 34 minute, and 2 seconds. Form required of new employees to verify identity and employment eligibility can be filled out online and saved or printed. Need help drafting a job offer letter? 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. 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. You should include language that your company has the discretion to alter or rescind information of the offer letter in the future. Position Applied For: How soon can you start if a job offer is made?