Customs tariff amendment reduces a specified ad valorem rate by textual substitution under statutory power.
Exercising the power under subsection (1) of section 25 of the Customs Act, 1962, the Central Government amended Notification No. 243/84-Cus. by substituting the previously specified ad valorem rate in that notification with a lower ad valorem rate, effecting a direct textual replacement of the figures and words in the original exemption notification.

Auxiliary duty amendment inserts a new notification entry into the customs exemption schedule, altering tariff notification list.
Amendment inserts an additional serial entry into the Schedule to an existing customs exemption notification, thereby incorporating another notification by reference into the exemptions framework; the Central Government relied on powers under the Customs Act and the Finance Act to effect this textual insertion, which expands the list of notifications that govern auxiliary-duty and tariff treatment.

Customs exemption for wastewater treatment filter media: duty capped and additional duty waived subject to certification.
Exemption limits customs duty on specified filter media imported for wastewater treatment so duty above a rate of forty percent ad valorem is not charged and additional duty is wholly exempted, conditional on production at importation of a certificate from a Ministry of Energy officer (not below Deputy Secretary) certifying that the goods are not manufactured in India and are required for use in wastewater treatment plants and recommended for exemption.

Drawback on imported material: specified domestic inputs treated as deemed imported for drawback entitlement on exports.
Specified raw materials and components contained in goods manufactured in India and exported are declared to be deemed to be imported material for the purpose of claiming drawback under section 75(1) of the Customs Act, 1962. A table enumerates eligible materials and the notification applies for a defined limited period.

Extension of customs exemption validity: notification amended under section 25 to defer its expiry and prolong applicability.
The Central Government, exercising powers under sub-section (1) of section 25 of the Customs Act, 1962, amends Notification No. 356/86-Customs by substituting the expiry date in paragraph 2 with a later date, thereby extending the notification's validity without altering its substantive terms.

Warehousing station declaration: Village Kashipur designated under Customs Act enabling warehousing operations and regulatory oversight.
Declaration under the Customs Act designates Village Kashipur in District Nainital as a warehousing station, invoking the statutory power of the Central Board of Excise and Customs and identifying the locality for customs warehousing purposes and related regulatory oversight.

Warehousing station declaration permits export oriented undertakings to establish operations under customs statutory powers.
Declaration designates Village Gokul Shirgaon in District Kolhapur, Maharashtra, as a warehousing station under the Customs Act to facilitate setting up export oriented undertakings, using statutory powers of the customs administration to create warehousing infrastructure for that purpose.

Warehousing station designation enables export-oriented undertakings in Village Salawas under Customs Act authority by central board.
Designation under Customs Act authority declares Village Salawas in District Mohindergarh, Haryana, to be a warehousing station for facilitating export-oriented undertakings by administrative notification.

Declaration of warehousing station enables export-oriented undertakings under Customs Act powers to store goods under customs control.
The Central Board of Excise and Customs, exercising powers under section 9 of the Customs Act, declares Village Kachigam near Daman and Diu to be a warehousing station for the purposes of setting up hundred per cent export-oriented undertakings, enabling goods to be stored under customs control to support export operations.

Customs exemption for specified nylon tyres limits duty to capped ad valorem rate for approved importers with certificate.
The Central Government exempts specified ribbed, lug and semi-lug nylon tyres in Chapter 40 from customs duty in excess of an amount computed at 60 per cent ad valorem when imported by listed categories of importers, subject to presentation at importation of a certificate from an officer not below Joint Secretary, Department of Industrial Development, confirming the importer's qualifying status or manufacturer-use of the tyres.

Auxiliary duty amendment inserts two additional schedule entries into a customs exemption notification under statutory powers.
Amendment to Notification No. 159/88 Customs inserts, after Sl. No. 268 and its entry, two new Sl. Nos. and entries designated as Nos. 182 Customs and 183 Customs into the Schedule, effected under statutory powers conferred by section 25(1) of the Customs Act and section 77(4) of the Finance Act.

Customs duty exemption for gelatine capsule machinery subject to export obligation, bond and monitoring compliance conditions.
Exemption grants conditional relief for high-speed hard gelatine-capsule machinery (Chapter 84) from customs duty in excess of 35 per cent ad valorem and from the additional duty under section 3, provided the importer produces a certificate from an authorized officer confirming execution of a bond undertaking an export obligation to export gelatine capsules of three times the value of the imported machinery within five years and agreement to comply with monitoring and enforcement instructions issued by the Chief Controller of Imports and Exports.

Customs exemption for computer-related imports conditioned on export undertaking, bond plus bank guarantee, and drawback restriction.
Exemption for goods under Heading No. 84.71 relieves importers from customs duty exceeding a capped ad valorem rate and from additional duty under the Customs Tariff Act, conditional on limited-period importation under the Policy on Computer Software Export without foreign exchange remittance, production of a Department of Electronics certificate, an export undertaking secured by bond and bank guarantee, disallowance of drawback under section 74(2), and a partial duty refund if exported within an earlier prescribed period.

Addition of Dead Burnt Magnesite to customs exemption schedule via notification, formalising its regulatory inclusion under statutory power.
The Central Government, exercising statutory power under the Customs Act, issued Notification No. 181/88 dated 23-5-1988 to amend Notification No. 132-Customs by inserting, in the Schedule annexed thereto, Serial No. 62 designated as "Dead Burnt Magnesite", thereby formally adding that commodity to the Schedule of the principal miscellaneous exemption notification.

Auxiliary duty amendment adds a new schedule entry to prior customs notification, altering exemption framework under statutory customs powers.
The Central Government amends Notification No. 159/88-Customs by inserting, in its Schedule, a new Sl. No. and entry that adds Notification No. 179-Customs to the list, effectuated under the powers of the Customs Act and the Finance Act.

Customs duty exemption for imported parts used in manufacture of specified goods, removing basic and additional customs duties.
The Central Government exempts parts of goods covered by the antecedent notification, when imported for manufacture of those goods, from the whole of the duty of customs payable under the First Schedule to the Customs Tariff Act and from the whole of the additional duty leviable under the Customs Tariff Act, effecting a public-interest exemption for specified manufacturing inputs.

Customs exemption amendments alter tariff schedules by removing and adding specified medical and ophthalmic equipment entries.
The Central Government, exercising its statutory power under the Customs Act, directs textual amendments to Notifications 65/88-Cus. and 144/88-Cus., deleting specified entries under "Ophthalmic Equipments" and "Other Medical Equipments" from Notification 65/88-Cus. and inserting specific medical and ophthalmic devices (including slit lamp biomicroscope, surgical operating microscopes, and argon/krypton and yag lasers) into the Table of Notification 144/88-Cus., thereby altering the catalogue of equipment referenced in those exemption notifications.

Warehousing station designation permits establishment of export-oriented undertakings under Customs Act authority for customs warehousing purposes.
Declaration under section 9 of the Customs Act, 1962 designates Village Yaswantapur in Warangal District as a warehousing station to enable customs warehousing facilities and to facilitate the setting up of export-oriented undertakings, classifying the locality for customs warehousing treatment and applicable customs procedures.

Warehousing station declaration enables export oriented undertakings under Customs Act authority to set up operations in designated village areas.
Declaration designates Village Baita Kodiambedu as a warehousing station to facilitate establishment of export-oriented undertakings, made pursuant to powers conferred on the central customs administrative board to classify the specified locality for warehousing facilities connected to export activity.

Warehousing station declaration enables export-oriented undertakings to use designated customs facilities for export promotion and procedural relief.
Declaration under section 9 of the Customs Act, 1962 designates Village Netali in District Thana, Maharashtra, as a warehousing station for customs purposes to support hundred per cent export-oriented undertakings, enabling use of warehousing and related customs procedures at the designated location.