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HSN CODE - 40023100 : ISOBUTENE-ISOPRENE(BUTYL) RUBBER (IIR)

Harmonised System of Nomenclature (HSN Codes) 40023100 are used for the ISOBUTENE-ISOPRENE(BUTYL) RUBBER (IIR) products under Goods and Service Tax classification.

India was originally using 6 digit HSN codes to classify commodities but later two more digits were added to make the codes more precise, resulting in an 8 digit classification.

Understanding HSN Code 40023100

First two digits (40) represent the chapter number which is Chapter 40 - Rubber and articles thereof

Next two digits (02) represent the heading number which is SYNTHETIC RUBBER AND FACTICE DERIVED FORM OILS, IN PRIMARY FORMS OR IN PLATES, SHEETS OR STRIP; MIXTURES OF ANY PRODUCT OF HEADING 4001 WITH ANY PRODUCT OF THIS HEADING, IN PRIMARY FORMS OR IN PLATES, SHEETS OR STRIP

Next two digits (31) represent the product code which is Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR)

Last two digits (00) are for final or deeper classification which is ISOBUTENE-ISOPRENE(BUTYL) RUBBER (IIR)

All 8 digits of HSN code is mandatory for export & imports for tax invoice of GST.