Tariff classification principle: cartridge paper fell under the more specific printing and writing paper entry, not the residuary heading.

Cartridge paper of the specified size and grammage was treated as classifiable under Heading 48.01/21(3) as other printing and writing paper, not under the residuary Heading 48.01/21(1). Classification depended on the relative scope of the tariff entries, with the more specific description prevailing over a general or residuary one. The earlier Central Excise decision cited by the Revenue was considered inapposite because it arose under a different tariff structure. Trade understanding and tariff material supported the view that cartridge paper falls within printing and writing paper, and harmonious construction confirmed the specific entry as the proper classification.

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Issues: Whether cartridge paper of the specified size and grammage was classifiable under Heading 48.01/21(3) as other printing and writing paper, or under Heading 48.01/21(1) as not elsewhere specified.

Analysis: The classification turned on the relative scope of the competing tariff sub-headings. The earlier Central Excise decision relied upon by the Revenue concerned a different tariff structure and could not control classification under the Customs Tariff. The Court also noted that cartridge paper was understood in trade literature and tariff material as a variety capable of use for printing, and that where a commodity answers both to a specific description and to a more general residuary description, the more specific entry must prevail. Applying harmonious construction, the Court held that the expression "other printing and writing paper" was the more appropriate and specific description for the imported goods than the residuary sub-heading.

Conclusion: The goods were held classifiable under Heading 48.01/21(3) as other printing and writing paper, and the Revenue's appeal failed.

Ratio Decidendi: For tariff classification, a commodity falling within a more specific entry must be classified there rather than under a residuary entry, and trade understanding may be used to ascertain the scope of the competing descriptions.

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