Civil Reference No. 7 of 2004
Following amendments to the Fourth Schedule of the Excise (Management and Tariff) Act by s.12 of the Finance Act No. 4 of 2013, new excisable items were introduced under heading 33.04 (perfumes, toilet waters, beauty/make-up preparations, skin-care preparations, etc.), including an 'other' residual category under HS Code 3304.99.00, taxed at 10%. The respondents (Mamujee Products Ltd, Tanga Pharmaceutical and Plastics Ltd, and Asher Industries Ltd) were manufacturers of petroleum jelly. The Commissioner General of the Tanzania Revenue Authority (TRA) demanded excise duty on petroleum jelly, treating it as falling within HS Code 3304.99.00 as an 'other' skin-care preparation. The respondents disputed this, contending that petroleum jelly is specifically classified under HS Code 2712.10.00 of the East African Community Common External Tariff (EAC CET), a code not listed in the amended Schedule, and thus not excisable. They paid the demanded sums under protest (aggregating over Tshs. 2.8 billion) and sought redress, first before the Tax Revenue Appeals Board and then the Tax Revenue Appeals Tribunal, both of which ruled in their favour and ordered refunds. The Commissioner General appealed to the Court of Appeal.
Whether petroleum jelly manufactured by the respondents could lawfully be classified under HS Code 3304.99.00 (as an 'other' skin-care preparation under heading 33.04) for excise duty purposes, or whether it remained properly classified under HS Code 2712.10.00 (heading 27.12) and was therefore not an excisable item under the amended Fourth Schedule to the Excise Act.
The appellant (Commissioner General) argued that although petroleum jelly appears under HS Code 27.12.10 in the EAC CET, this did not preclude its inclusion as an excisable item because, being a local product, specific listing in the corresponding HS Code was only mandatory for imported goods. It was argued that petroleum jelly, being a preparation for skin care, fell within the description of items under heading 33.04 as an 'other' item under HS Code 3304.99.00, relying on General Interpretation Rules for Classification of Goods (GRI), explanatory notes to Chapters 27 and 33 (which exclude petroleum jelly suitable for skin care from heading 27.12), and the Minister's budget speech referencing 'mafuta ya kujipaka' as a newly introduced excisable item. It was further argued that classification could properly be based on the end-use of the product. The respondents countered that petroleum jelly is specifically and unambiguously classified under HS Code 2712.10.00, which is not listed in the amended Schedule, and thus not excisable under the strict construction required for taxing statutes. They argued that classification based on end-use is generally irrelevant (citing Dunlop India Ltd), that explanatory notes are not legally binding and cannot override the clear language of the heading (citing Keroche Industries Ltd v Kenya Revenue Authority), and that under Rule 1 of the GRI, classification is determined by the terms of the heading and relevant section/chapter notes, not by inference or explanatory notes. They also argued that petroleum jelly does not fit the ejusdem generis category of items listed under heading 33.04, and that if Parliament intended to include it as excisable, this should have been done expressly.
The Court of Appeal dismissed the appeal with costs, upholding the decisions of the Board and the Tribunal. It held that petroleum jelly was specifically classified under heading 27.12 (HS Code 2712.10.00) and that, under Rule 1 of the GRI, classification is determined by the terms of the heading and relevant section or chapter notes; explanatory notes, being non-binding guidance only, could not be used to exclude the product from its specific heading and reassign it to a different heading (33.04) not expressly covering it. The Court agreed that the end-use of the product could be relevant to classification only where the heading itself makes no reference to use, but this did not assist the appellant because the specific heading (27.12) already covered petroleum jelly notwithstanding its use. Applying the strict constructional principle for taxing statutes as stated in Cape Brandy Syndicate v Inland Revenue Commissioner (nothing is to be read in or implied in a taxing statute), the Court found that since the Schedule did not expressly list petroleum jelly or HS Code 2712.10.00 as excisable, and the product was not specifically mentioned under heading 33.04, it could not be inferred to fall under the 'other' category in HS Code 3304.99.00. Accordingly, petroleum jelly was not an excisable item under the amended Schedule, and the respondents were entitled to a refund of the excise duty paid under protest.
The judgment reaffirms the strict constructional approach to tax statutes, holding that taxing provisions must be applied only according to what is clearly stated, without implication or inference (following Cape Brandy Syndicate v Inland Revenue Commissioner). It clarifies that under Rule 1 of the General Interpretation Rules for Classification of Goods, tariff classification is governed by the terms of the heading and relevant section/chapter notes, and that explanatory notes to the Harmonized System, while useful interpretive guides, are not legally binding and cannot be used to override or displace a clear and specific tariff classification. The decision also confirms that end-use may be a relevant classification criterion only where the heading itself expressly references use, but cannot be invoked to remove goods from a heading in which they are specifically and unambiguously listed. The case is significant for tax authorities and taxpayers alike in disputes over excisability arising from tariff reclassification, underscoring that any intention to bring a specific product within the excise net must be expressly reflected in the legislative schedule rather than inferred through administrative interpretation or explanatory notes.
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