To apply for a job: 1. Click on the Apply tab from job details: 2.This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: How do I fill this out? Instructions: Complete this form when reporting all self-employment GROSS income received and expenses paid in a month. The minimum age for most full-time employment is 18, unless you are 17 and a high school graduate. The job posting will specify the age limit when it differs. To fill out this form, first carefully read each section. Gather required information about your employment history and personal details.