‰ Be ready to complete the application in the office or online. Many companies will not let you take the form with you to fill out at home.Letter for Job Application Class 12 Format. Job Application Letter Format: Want to know how to sell yourself? Learn how to write a good job application letter. Choose a few phrases in the opening paragraph that let your reader know what to expect in the body of the letter. In order to receive consideration, applicants must indicate their availability for any work type, travel, and location requirements listed.