Classification of polymer liners: shape and whether further worked determine their plastics classification and tariff heading.
Classification of ultra high molecular weight high density polyethylene polymer liners turns on geometric shape and further working: unworked blocks of regular geometric shape fall under the tariff treatment for raw plastic blocks per the chapter note; regularly shaped blocks that have been further worked, and blocks of irregular geometric shape whether worked or not, are classifiable as other articles of plastics under the appropriate subheading. This administrative guidance follows technical consultation and is to be applied immediately.

Excise treatment of fitted air conditioners: duty not chargeable again where kit components were cleared as air conditioners.
Fitting duty paid air conditioning kits into cars does not amount to manufacture of an air conditioner and no further excise duty is payable where the kit was cleared as a car air conditioner. If separately sourced duty paid components are assembled and fitted (not cleared as a kit), such assembly may be treated as manufacture under the Rules of Interpretation and tariff notes, and should be addressed by fixing appropriate duty rates on components. Fitment does not create a new excisable commodity.

Judicial pronouncements override administrative circulars, so circulars must not displace court decisions on undue enrichment.
Administrative circulars must not displace judicial pronouncements; the Board's Circular No. 8 is not intended to supersede court decisions. Collectors are directed to observe judicial rulings on fortuitous benefits and undue enrichment where an assessee cannot refund amounts, and to implement appellate orders consistent with those pronouncements.

Classification of manufacturing waste: latest revised instructions govern excise treatment of waste from artificial filament yarn production.
Clarification confirms that classification of waste arising during reeling and coning of artificial filament yarn is governed by the Ministry's revised instructions, and that the latest instructions prevail over earlier circulars for Central Excise treatment of such manufacturing waste.

Small Scale Exemption denied where principal supplies inputs for job work; goods treated as manufactured by the principal affecting exemption entitlement.
Where goods are manufactured on a job work basis using inputs supplied by a principal manufacturer and the supplier-job worker relationship corresponds to the relevant notification, such goods are to be treated as manufactured by the supplier of raw material; entitlement to Small Scale Industries Exemption must therefore be determined with reference to the principal manufacturer's status, and clearances of goods made on job charge basis and in the job worker's own account are to be aggregated as produced in a single factory for eligibility assessment.

Classification of densified wood: unmachined material without insulating-specific shape is treated as densified wood, not electrical insulators.
Unmachined or unfabricated densified wood lacking special shape, size or construction and only intended for use as insulating material does not qualify as electrical insulators under the insulators heading, and should be classified under the densified wood tariff heading.

Modvat credit recognition: allow RG 23A entry despite classification mismatch, restrict use until correct classification secured.
Modvat credit declared under Rule 57G can be taken in RG 23A despite a mismatch between the assessee's declared classification and the correct classification, but the credit cannot be used for duty payment until originating central excise officers make the correct classification and inter-division/collectorate correspondence is pursued; minor variations in input descriptions due to trade or brand names will not bar credit where the correct classification is declared and duty on the input under that classification is paid.

Modvat declaration: immediate input credit upon acknowledgement; prior approval not required, stop demands by officers.
Declaration under Rule 57G requires filing a description of final products and inputs and obtaining a dated acknowledgement; upon receipt of that acknowledgement the assessee may immediately avail credit of duty paid on inputs, and prior approval of the declaration is not required, with the Board directing that insistence on prior approval be stopped.

Cess on vegetable oils remains payable for Free Trade Zone clearances and exports absent required notifications, no rebate allowed.
Cess on vegetable oils produced in Free Trade Zones is leviable on clearances to the Domestic Tariff Area and on exports because no exemption notification has been issued; similarly, no rebate of cess on exported vegetable oils is admissible and export under bond without payment of cess is not permissible.

Modvat credit: notional or differential credit cannot be claimed later; entitlement must be exercised on receipt of inputs.
The Board clarifies that Modvat credit cannot be taken notionally at a later date where an assessee initially availed credit of duty actually paid even if eligible for higher credit under Rule 57B, because the Modvat rules do not permit post-facto notional credit and entitlement must be exercised at the time of receipt of inputs.

Modvat credit on countervailing duty permitted where supplier certificates substitute subsidiary gate passes for input credit.
The Board authorised acceptance of certificates issued by the supplier showing particulars of the countervailing duty paid and the bill of entry under which the goods were imported as duty paying documents for claiming Modvat credit; the procedure prescribed for canalised imports through public sector undertakings (MMTC/STC) is to be followed in issuing such certificates.

Classification of toilet soap with small A.O.S. content may rest under the ordinary toilet soap heading based on composition.
A toilet soap containing a small percentage of alpha-olefin sulphonate but otherwise composed predominantly of conventional soap constituents may still be classifiable under Sub-Heading 3401.10 under the HSN explanatory notes. Classification depends on the soap's overall composition and other factors; each case must be decided on its merits. Assessing authorities should apply these guidelines when determining the proper tariff classification.

Exemption scope for rubber products clarified as covering the whole chapter rather than a single tariff heading, subject to conditions.
The notification's exemption for rubber products applies to products falling under the entire tariff chapter rather than to a single tariff heading, as clarified by the amending substitution vetted by the Law Ministry; the exemption remains subject to the conditions prescribed in the original notification.

Classification of hand-made beedies packed in externally purchased paper packets results in application of the scheduled excise tariff.
Hand-made beedies manufactured and packed manually, where the paper packets used are purchased from outside the factory of production, are classifiable under sub-heading 2404.39 of the Schedule to the Central Excise Tariff Act, 1985; packing in externally procured paper packets does not alter that classification.

Classification of permanent magnets: items intended for magnetisation are excluded from the permanent magnet exemption under the new tariff.
The new Central Excise Tariff separately lists permanent magnets and articles intended to become permanent magnets, and neither section nor chapter notes nor the HSN Explanatory Notes treat the two categories as equivalent; therefore articles intended to become permanent magnets after magnetisation cannot be treated on par with permanent magnets and the exemption for permanent magnets does not apply to them.

Classification of spent caustic soda lye: no additional excise duty on clearance despite classification as caustic soda.
Spent caustic soda lye arising from duty-paid caustic soda used in textile processing is classifiable as caustic soda but, since no new product emerges, no further excise duty shall be chargeable on its clearance; trade to be informed and pending assessments finalised accordingly.

Exemption for flared gases confirmed; duty not demandable for gases released to atmosphere, prior cases governed by proviso.
The Board clarified that Notification 177/87 exempts all gases allowed to escape into the atmosphere by flare system or otherwise, so duty is not demandable for such releases after that notification; for earlier periods and pending assessments, gases flared into the atmosphere are to be treated under the proviso to the relevant rule of the Central Excise Rules as per earlier Board instruction.

Officer deputation policy: deputation not required for most appeals; officers sent only for important or requested cases
The Board decided that routine deputation of officers from jurisdictional Collectorates to attend every hearing before the Collector (Appeals) is not required; the Collector may deputise a knowledgeable officer only in cases he considers important, considering factors like revenue implications and effect of the dispute. For appeals before the CEGAT, deputation from Collectorates is unnecessary except where specifically requested by the relevant appellate officer.

Modvat credit eligibility denied where inputs are destroyed before use; credit must be reversed and cases adjusted.
Modvat credit on duty paid for inputs is admissible only if the inputs are actually used in manufacture; where such inputs are destroyed by fire before use, the credit is not permissible and must be reversed, and pending cases should be disposed of accordingly.

Officer conduct during searches: record statements promptly and summon persons during working hours while ensuring courteous treatment.
Central Excise officers must, as far as possible, defer recording statements until after the search; if not possible, record statements immediately after the search, extend due courtesy to persons questioned, and ordinarily summon persons on a working day during normal working hours, with field formations instructed for strict compliance.