You must also complete and submit any additional information listed on the job announcement. A resume or other supporting documentation may be attached but it may not be used as a substitute for completing this section.A). Dates (Month, Day, Year). An incomplete application packet may disqualify an applicant. Upload any attachments, such as a résumé, driver's license, or certificates. We can help you discover rewarding career paths, find a job, write your resume and cover letters and even get ready for interviews. • Bring your master application, résumé and list of references with you to help you fill out the application. You've got a great resume —now let's make sure employers actually read it. Watch this step-by-step video to create a compelling cover letter. How to fill out the Contra Costa County Employment Application Form?