To search for an Agency Docket Number in the Federal Register Library, you can use the Advanced Search option at the top of the main page. You will use the Full Text field from the drop-down menu.
Example: “Docket No. RSPA-04-19886”
You can also search using the one-box search bar at the top of the page. From here you would type “Docket No. RSPA-04-19886” and select Just search for from the drop-down, then hit the search button.