Excise duty on beer arises after fermentation, with anti-evasion stock checks and prescribed wastage limits upheld.

Beer becomes exigible to excise duty once fermentation is complete, because excise is a duty on manufacture and the point of collection does not change its character. Where the brewing process includes filtration and storage as part of production, levy may follow completion of those stages or issue from the brewery. The article also states that stock taking at the fermentation stage, with prescribed allowances for evaporation and related losses, is a valid anti-evasion measure for detecting excess wastage. Separate bottling rules provide their own allowance, which cannot be expanded by using a later production stage as the base for recalculation.

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Issues: (i) At what stage beer manufactured in a brewery becomes exigible to excise duty. (ii) Whether the procedure adopted for ascertaining excess manufacturing wastage and levying duty and additional duty thereon was valid.

Issue (i): At what stage beer manufactured in a brewery becomes exigible to excise duty.

Analysis: Excise duty is a duty on manufacture or production, and the stage of collection does not alter its character. In the case of beer, the relevant statutory scheme permits levy on beer manufactured in a brewery by reference to the quantity produced or issued from the brewery or warehouse. The brewing process shows that once fermentation is completed, the liquid becomes beer and an alcoholic liquor for human consumption, even if filtration or further finishing may still be undertaken for some varieties. The duty can therefore be levied either after fermentation or, where filtration and storage are part of the process, after completion of those stages or upon issue from the brewery.

Conclusion: Beer becomes exigible to excise duty after completion of fermentation, and where applicable after filtration and storage, or upon issue from the brewery.

Issue (ii): Whether the procedure adopted for ascertaining excess manufacturing wastage and levying duty and additional duty thereon was valid.

Analysis: The statutory provisions and the brewery rules are not confined to a pure levy provision; they also operate as anti-evasion measures. Stock taking at the fermentation stage, with a prescribed allowance for evaporation, sullage, and other contingencies, is designed to detect clandestine diversion before beer leaves the brewery. The allowance is meant to cover normal losses in the brewing process and is not to be recalculated by taking the post-filtration or bottling stage as the base. The separate bottling rules provide a distinct allowance for bottling and storage losses, and the brewer cannot disregard that regime. The method adopted for determining excess wastage is therefore consistent with the statutory framework.

Conclusion: The procedure for assessing excess wastage and levying duty and additional duty was valid, and the separate bottling allowance could not be expanded beyond the prescribed limit.

Final Conclusion: The Revenue succeeded on the core questions governing excess brewery and bottling wastage, while the separate appeal group on bottling losses failed, resulting in a mixed disposal with the statutory levy mechanism substantially upheld.

Ratio Decidendi: A brewery may be subjected to excise duty and anti-evasion stock verification from the stage at which beer has emerged as fermented liquor, and the prescribed wastage allowances must be applied according to the statutory stage and purpose for which they are fixed.

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