Minors 14 and 15 years of age may not be employed or permitted to work more than 5 consecutive hours without a non-working period of at least 30 minutes. Job Application and Bio-data Format Class 12.This application is part of the examination process. Please read the minimum qualifications section of the job bulletin before completing this application. This is a template application intended to make it easy for you to keep all of your qualifications updated up-to-the-minute. Here are 10 Examples of Job Application with bio data for Class 12. Generally, you can simply put "High School Diploma" for the course of study on a job application. Letter for Job Application Class 12 Format. The Application On-File template and special category jobs. Apply for a satisfying career with the Maryland Department of Labor today.