Other
Other refractory ceramic goods (retorts, crucibles, muffles, nozzles)
HSN 6903 90 90 (other refractory ceramic goods — not of siliceous fossil meals or similar siliceous earths) 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. Certain ceramic products within Chapter 69 — particularly those specified for building, sanitary, or electrical applications — may fall under tariff lines that do carry compliance; precise product classification is the principal importer risk.
The absence of compliance at this tariff line does not extend to all ceramic goods: refractory articles of siliceous fossil meals or similar siliceous earths (separately classified within heading 6903), and ceramic tiles, pipes, or electrical insulators elsewhere in Chapter 69, each carry their own compliance regimes. Re-classification on examination by customs triggers retrospective compliance, including detention pending the relevant licence. Verify the precise material composition and intended use against the customs tariff before relying on the absence of compliance.