Explanatory notes
… books; also office stationery in metal of the type used in fastening together or index‑marking papers (e.g., letter clips, paper clips, paper fasteners, letter corners, card indexing tags, file tags, … pins (e.g., heading 73.17 or 74.15 ). (b) Clasps and fasteners for books, ledgers, etc. ( heading 83.01 or 83.08 …