Job Application and Bio-data Format Class 12. Applications for a job follow the format of a letter.These contain all the essential information of the applicant's candidature. In this step-by-step tutorial, you'll learn how to fill out an application (STD 678). Looking to get started with the State of California? Read the following instructions carefully before completing this application. Please complete the application on a computer or print in ink. CLASS 12- ADVANCED WRITING SKILLS. JOB APPLICATION– (5 Marks, Question 5, Max. A job application letter should provide information about educational qualifications, career, goals, projects and other key details in a very crisp manner.