In November of 2017, I requested the FBI’s “Classification Guidebook”. This consists of the, “FBI National Security Information Classification Guide” and the, “FBI Automatic Declassification Guide.”
They were released late in December of 2017.
The request is still open pending additional information released, however, I have put up what is available below. You will note that the .pdf document has bookmarks for each guide, as they are together in one file.
FBI Classification Guidebooks [87 Pages, 46.5MB]