39 CFR §3010.150

1. (a)Purpose. A notice is a document that announces a past, present, or future, event or occurrence. A notice shall not be combined with a request for any order or ruling that otherwise should be presented by motion. The Commission or presiding officer shall not combine a notice with a Commission order or a presiding officer's ruling, unless the title of the document clearly states the intent of document being issued.
2. (b)Filing requirements. The title of any document filed as a notice shall contain the word “notice.” Additional requirements for the content of specific forms of notices are provided throughout chapter III of this title, where appropriate.