Complete this step if you (1) hold more than one job at a time, or (2) are married filing jointly and your spouse also works. To establish guidelines for all City employees engaging in employment with a second employer or engaging in self-employment.Be sure to check the 'multiple jobs' box on the w form. And read the instructions on filling it out. Is it true I don't have to say I have 2 jobs on the form? A new work permit application must be filled out for each new job. Step 2: Multiple Jobs or Spouse. Works. This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: The IRS instructions for the W4 includes the line: Multiple jobs.