A good job offer letter should note that hiring is contingent upon the new hire completing all of the new hire paperwork. A sample letter offering a job contingent upon the results of a background check or other criteria.In some cases, more than one document may be required. Declare your acceptance of the position in the clearest possible terms. Employment Offer Letter Instructions. You will have 3 calendar days to respond to this conditional job offer and complete all required actions for accepting it. Checklist for Making a Bona Fide Offer of Employment. A carefully worded offer acceptance email is a great way to demonstrate gratitude and professionalism. Follow our eight tips for the perfect message. You'll need to formally accept your offer.