Customs exemption for imported components reduces duties for arc tube manufacture, conditional on authorised technical certification.
Provides a targeted customs exemption for specified imported components used in manufacture of arc tubes for high pressure sodium vapour lamps by capping ad valorem duty and exempting additional duty, conditional on production at import of an authorised technical certificate confirming requirement and quantities for the specified goods (translucent polycrystalline alumina tubes, tungsten electrodes and niobium supports).

Customs tariff amendment redefines exemption coverage for precision and specialised industrial machinery listed in the schedule.
The amendment revises the exemption table of an existing customs notification by omitting specified item entries and inserting numerous detailed descriptions of precision and specialised industrial machinery across multiple serial headings, thereby redefining which machines and technical variants are covered by the tariff schedule's exemption.

Customs exemption amendments expand listed machinery and add ad valorem entries, altering specified exemption schedules.
Amendments direct insertion of specified machinery and equipment into the Tables of Notification Nos. 42/78-Cus., 160/86-Cus. and 2/87-Cus. under section 25(1) of the Customs Act, 1962, expanding the listed items to include leather working machines and conveyors, fish processing and packing machinery, submerged motor aerators and filters, fishing winch equipment, and specified industrial components, with certain entries identified at a stated ad valorem rate.

Customs exemption for specified livestock-breeding imports subject to departmental certification and a capped ad valorem duty rate.
Exempts specified imported goods used in livestock breeding programmes from that portion of customs duty exceeding a capped ad valorem rate of 35 per cent and from the whole of the additional duty under section 3, subject to certification and recommendation by an officer not below Deputy Secretary in the Department of Animal Husbandry and Dairying that the goods are required for livestock breeding programmes.

Customs exemption adjustments update ad valorem duty rates and amend notification entries affecting multiple tariff exemptions.
Amendments to thirty Customs exemption notifications substitute specified ad valorem duty percentages and, in selected notifications, replace or omit table entries and provisos. The changes include blanket and targeted substitutions of rate figures in annexed Tables, deletion or modification of provisos, omission of certain serial entries, and substitution of item descriptions to alter the scope and application of tariff exemptions under the listed notifications.

Customs duty exemption caps payable duty for high-purity copper sheets used to make solar selective coatings.
Exemption from basic customs duty is provided for electroplating grade copper sheets of not less than 99.9% purity in continuous coils under heading 74.09 imported for manufacture of black continuously selective coatings used in solar thermal systems, limited to duty up to the amount calculated at the rate of 10 per cent ad valorem, and conditioned on production of a prescribed governmental certificate confirming the required end use.

Customs notification amendments revise tariff classifications and duty rates, altering exemption table entries and commodity descriptions.
The Central Government, under sub section (1) of section 25 of the Customs Act, 1962, amends five existing customs notifications by deleting or substituting specified table entries. Amendments include omission of a listed row, substitution of an item reference number, reduction of certain ad valorem duty entries, and replacement of a single schedule entry with two separate commodity entries specifying distinct per tonne duties.

Effective Rates of Basic Customs Duty on iron and steel imports distinguish stainless and other items and limit chargeable duty.
The Central Government limits basic customs duty on imports of Chapter 73 iron and steel articles by exempting that portion of duty exceeding the effective ad valorem rates specified in the annexed Table. The Table prescribes maximum chargeable ad valorem rates for each heading, often distinguishing between articles of stainless steel and other articles, and the notification supersedes the earlier referenced notification while not affecting other existing exemptions.

Effective Rate of Basic Customs Duty: exemption caps duty on narrow elastic tapes at a specified ad valorem import rate.
The Central Government exempts narrow elastic tapes under Heading 58.06 from so much of the basic customs duty as exceeds the ad valorem rate specified in the First Schedule, capping the effective duty payable on imports of that commodity.

Customs duty exemption for specified waste imports limits chargeable duty to a capped ad valorem plus per kilogram amount.
The Central Government exempts waste falling under heading No. 55.05 of the First Schedule to the Customs Tariff Act from so much of the basic customs duty as is in excess of the amount calculated at a specified ad valorem rate plus a specified per kilogram charge, applying to imports into India.

Customs tariff amendment updates ad valorem rates and adds per-weight charge to specified exemption notifications.
The Central Government directs amendment of specified customs exemption notifications by substituting revised entries in the Table column (3): the 1978 notification's entry is replaced with "110% ad valorem"; the 1983 notification's Sl. No. 1 entry is replaced with "100% ad valorem plus a per kilogram charge" and Sl. No. 2 entry is replaced with "100% ad valorem".

Customs tariff amendment revises a specified percentage in an existing notification under section 25(1) of the Act.
An amendment substitutes "100%" for "105%" in Notification No. 67/90-Customs (Chapter 48), effected under the executive power vested by sub section (1) of section 25 of the Customs Act, 1962, the Central Government declaring the change necessary in the public interest and thereby altering the numeric rate in the earlier Ministry of Finance (Department of Revenue) notification.

Tariff exemption: amendment replaces a specified per tonne customs charge with nil for the specified chapter entry.
The Central Government amends Notification No. 31/82 Customs by substituting the previously specified per tonne charge in the annexed Table, against Serial No. 1 in column (3), with Nil, thereby removing the prior per tonne levy for that tariff entry.

Customs tariff exemption for specified sawn wood caps customs duty and removes additional duty for qualifying imports.
Exemption applies to sawn, chipped, sliced or peeled wood exceeding the one-inch thickness threshold under the relevant tariff classification, limiting customs duty to an ad valorem cap and exempting the whole additional duty under the Customs Tariff Act; it covers wood whether planed, sanded or finger-jointed and is granted under the Customs Act as a public-interest exemption.

Tariff heading amendment replaces dual heading reference with single heading and removes a corresponding table entry.
The Central Government, under section 25(1) of the Customs Act, 1962, amends Notification No. 58/90-Customs by substituting the opening paragraph's reference to two headings with heading No. 44.03 and by omitting S. No. 3 and its entries from the Table annexed to that notification.

Customs exemption for specified imported inputs permits reduced ad valorem duty for manufacture, subject to undertaking and compliance.
The Government exempts specified imported inputs-polyurethane films/foils, polyols and isocyanates-used for manufacture of listed goods from customs duty in excess of 35% ad valorem, provided the importer furnishes an undertaking to use the goods for the stated manufacture, maintain certified accounts of receipt and consumption at the place of manufacture, produce such accounts within three months or extended period, and pay on demand the difference between duty otherwise leviable and duty already paid if conditions are not complied with.

Tariff amendment adds polypropylene and propylene copolymers to an exemption notification, expanding customs coverage under tariff headings.
Amendment inserts polypropylene and copolymers of propylene into the opening paragraph of Notification No. 171/90-Customs, thereby expanding the exemption coverage under the existing tariff headings and integrating those polymer products into the notification's scope while leaving other provisions intact.

Ad valorem exemption rates revised for customs chapter goods, substituting prior higher rates with standardized lower rates.
The amendment substitutes the figures and words in column (4) of the Table annexed to Notification No. 49/90-Cus., replacing the ad valorem exemption rates against S. Nos. 04 and 06 and substituting new entries for S. Nos. 07-11 to specify revised ad valorem exemption rates for goods under Chapter 39 headings, including separate rates for polysulphones and other items under heading 39.11.

Customs exemption for specified botanical extracts caps customs duty at an ad valorem rate and exempts additional duty.
The Central Government exempts Wattle extract, Quebracho extract and Chestnut extract, when imported and falling under the Customs Tariff First Schedule heading for tannin extracts, from so much of the customs duty that exceeds the amount calculated at the rate of fifteen per cent ad valorem and from the whole of the additional duty leviable under section 3 of the Customs Tariff Act.

Customs duty rates revised to higher ad valorem levels for specified tariff headings, with differentiated rates for certain preparations.
Central Government amends prior customs exemption notifications by substituting specified entries in the annexed Tables with 100% ad valorem duty for listed items in Notifications 42/90-Cus. and 43/90-Cus. Notification 44/90-Cus. is amended by replacing its Table with a new schedule covering Chapter 34 headings, prescribing ad valorem rates by item: predominantly 100% ad valorem, with particular categories assigned lower ad valorem rates such as 70% ad valorem for organic surface active agents and 60% ad valorem for certain lubricating and other specified preparations.