In the opening paragraph, thank the recipient for considering you for the position and sending a job offer. Formally accept a job offer with our job acceptance letter template.Craft a professional job acceptance letter to start your new role positively. If we do not receive your signed acceptance within 30 days from the date of this letter, this offer shall be rescinded and become null and void. I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. 1. Applicant is asked to complete the attached application form in as much detail as possible.