Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Explanation: You can call the document just about anything, depending on what it says and what kind of office/department it is from. When in doubt, I just leave it at document (used by the specific department as part of their filing system usually.)