Other
Quartzite, other than roughly trimmed or rectangular-cut blocks
HSN 2506 20 90 (Other quartzite — not roughly trimmed or cut into rectangular blocks or slabs) is not covered by a Bureau of Indian Standards Quality Control Order and carries no Partner Government Agency clearance requirement at the tariff-line level. Import follows the standard customs procedure: Importer-Exporter Code, bill of entry, commercial invoice, packing list. Quartzite in specific cut forms or quartz products under Chapter 25 may fall under sibling tariff lines that carry distinct classification treatment; accuracy of product description is the principal importer risk.
The absence of compliance at this tariff line does not extend to all stone and mineral imports within Chapter 25: quartz (other than natural sands), natural sands under Chapter 26, and processed stone products used as construction inputs may each attract different regulatory treatment on re-examination. Re-classification by customs on examination triggers retrospective compliance obligations, including detention pending resolution. Verify the product's physical form, processing state, and intended use against the customs tariff before relying on the absence of compliance here.