Chapter 25 — Salt; sulfur; earths and stone; plastering materials, lime and cement

Heading 2514 — Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape.

Subheading 2514.00 — Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape.