Sometimes a job post provides very clear instructions regarding what job seekers should and should not submit as part of the application process. Some posts will ask for a resume, some will ask for a resume and cover letter. Some will ask for resume, letter, and work samples And some will state very clearly that candidates should not include samples or extra attachments, and that attaching these files will result in immediate rejection. But sometimes these instructions aren’t perfectly clear, and sometimes anything you decide to send in addition to a resume will be left to your own discretion. Unless you’ve been instructed otherwise, here are four things that should travel right along with your resume as you complete the application process.