Tariff exemption for lamp black and carbon black requires specified end use, prescribed records, and duty recovery on non compliance.
Imports of lamp black and carbon black for manufacture of printing ink or black paints are exempt from customs duty above a specified ad valorem ceiling, provided the importer gives an undertaking to use the goods for the specified manufacture, maintain accounts of goods received and consumed as prescribed by the Assistant Collector of Customs, produce certified extracts evidencing receipt within three months or an allowed extension, and pay on demand the duty difference if the importer fails to comply with these conditions.

Time-bound approval under income-tax law: perpetual approval for the institute converted to limited-term validity.
The perpetual approval previously granted to the Indian School of Political Economy, Pune, under the relevant provision of the Income-tax Act is converted into a time bound approval limited in validity to 31-3-1988, thereby restricting the institute's entitlement to recognition under that income-tax provision to the specified temporal period as communicated by government notification.

Approval under section 35(1)(iii) requires maintenance of separate research accounts and submission of annual and audited returns.
Approval under clause (iii) of sub-section (1) of section 35 of the Income-tax Act is granted to the Indian Law Institute as an Institution for scientific research from 1 4 1986 to 31 3 1989, subject to maintenance of a separate research account, furnishing annual research returns by 30 April, submission of audited annual accounts and balance-sheet to the prescribed authority and the concerned Commissioner by 30 June, and applying to the Central Board of Direct Taxes three months before expiry for extension.

Exclusion clause for input credit clarifies notifications granting credit are not included in cross references in tariff notifications.
An amendment inserts an exclusion clause into the opening portion of the notification, specifying that the phrase "read with any other notification" shall not be taken to include notifications that provide exemptions permitting credit for excise duty or additional duty already paid on raw materials or component parts used in manufacture; the change is effected under sub rule (1) of rule 8 of the Central Excise Rules, 1944, in the notification concerning textile fabrics impregnated, coated, covered or laminated with plastics.

Exemption for plastics-coated textile fabrics limited by annual clearance caps and prior-year clearance threshold for applicability.
Textile fabrics impregnated, coated, covered or laminated with plastics under heading 59.03 are exempted from that part of additional excise duty which exceeds an amount calculated at 50% of the rate leviable under the Additional Duties of Excise (Goods of Special Importance) Act, 1957, subject to notifications under rule 8(1) of the Central Excise Rules, 1944, and provided aggregate first clearances for home consumption by a manufacturer (or from a factory by multiple manufacturers) do not exceed the stated annual quantity and do not breach the prior year clearance threshold.

Rate of exchange determination under the Customs Act establishes conversion rules for the Russian rouble in customs calculations.
The Central Government determines the rate of exchange for conversion between the Russian rouble and Indian currency for purposes of section 14 of the Customs Act, superseding the earlier notification and prescribing a definitive conversion rate to be applied in customs transactions.

Customs notification amendment adds a new auxiliary duty entry modifying the exemption schedule under customs law.
The Central Government amends Notification No. 188/86-Customs by inserting, after Sl. No. 272, a new Sl. No. 273 referring to Notification No. 258/86 providing for an auxiliary duty entry in the customs exemption schedule, exercised under the Customs Act and the Finance Bill declaration in the public interest.

Customs duty exemption: crude palm kernel oil imports for manufacture of fatty alcohols permitted with excess duty capped.
The Central Government exempts crude palm kernel oil, when imported for the manufacture of fatty alcohols, from that portion of customs duty specified in the First Schedule to the Customs Tariff Act which exceeds the amount calculated at the rate of 30 per cent ad valorem; effected by Notification No. 258/86-Cus and in force up to and inclusive of 31 October 1986.

Approval supersession: perpetual approval for Nanavati Hospital replaced by limited approval valid until 31-12-1986 under notification.
The perpetual approval previously granted to Nanavati Hospital Memorial Research Centre, Bombay under the Income Tax framework is superseded by a limited approval that is valid only up to a specified terminal date, effected by Notification S.O.2391 dated 24-4-1986, thereby replacing the earlier perpetual authorization with a fixed-term approval.

Excise exemption for in factory workshop goods allows duty relief when used for machinery repairs, subject to Chapter X procedure.
The notification exempts all excisable goods manufactured in a workshop within a factory from the whole of excise duty when intended for use in that factory or any other factory of the same manufacturer for repairs or maintenance of machinery; use in a different manufacturer's factory is exempt only subject to compliance with the procedure in Chapter X of the Central Excise Rules, 1944.

Input credit restrictions under central excise rules limited where credit was previously disallowed or materials received after specified cut off.
Amendments limit input credit under rule 56A by denying credit for materials, component parts or finished products where credit was previously disallowed or where such items are received in the manufacturer's factory on or after a specified cut off; rule 57F permits waste to remain offsite if appropriate excise duty is paid and clarifies that duty may be leviable on waste arising in manufacture or on inputs cleared under the rule.

Exemption for motor vehicles limited where no input-duty credit claimed; chassis manufacturers expressly excluded from the benefit.
Amendment inserts an exemption for motor vehicles under headings 87.02 or 87.04, providing a per-vehicle excise exemption for public-transport passenger vehicles and goods-transport vehicles where no credit of duty has been taken on the chassis used in manufacture and on other inputs received by the manufacturer on or after 24 April 1986 under the duty-credit rules; a proviso excludes manufacturers of the chassis from the exemption.

Tariff classification scope expanded: notification replaces limited headings reference with entire chapter to broaden exemption coverage
The government amends an earlier notification by substituting the words "falling under heading No. 84.79 or 84.80" with "falling within Chapter 84," thereby changing the descriptive scope used in the exemption framework for items such as jigs, fixtures and moulding boxes for metal foundry.

Excise duty classification for manual typewriters revised, setting differentiated duties by carriage size categories under tariff amendment.
Amendment to the Central Excise tariff replaces the Sl. No. 7 entry for Chapter 84.69 to prescribe differentiated excise duty rates for manual typewriters according to carriage size categories, covering sizes not exceeding 25 cm, exceeding 25 cm up to 30 cm, exceeding 30 cm up to 40 cm, exceeding 40 cm up to 55 cm, and a residual 'others' category; issued under sub rule (1) of rule 8 of the Central Excise Rules, 1944 to amend Notification No. 155/86 Central Excises.

Exemption for gravure printing cylinders and lithographic plates granted when used within factory for printing purposes.
The Central Government amends a prior notification under rule 8(1) of the Central Excise Rules, 1944 to add a tariff entry exempting gravure printing cylinders and lithographic plates from excise duty at a Nil rate, conditional on their use within the factory of production for printing purposes.

Excise tariff amendment for aluminium wire rods updates duty rates and removes a proviso altering duty-credit treatment.
Amendment substitutes Sl. No. 4 to create two tariff entries for wire rods produced by manufacturers other than primary producers: (i) wire rods for which no credit of duty on ingots or billets has been taken under rule 56A or rule 57A, with a specified duty rate per tonne; and (ii) wire rods produced by manufacturers other than primary producers with a higher specified duty rate per tonne. The notification also omits the third proviso. Changes are made under sub-rule (1) of rule 8 of the Central Excise Rules, 1944.

Exemption for damaged textile fabrics: excise duty waived for short length fabrics classified under specified tariff sub headings.
The Central Government exempts damaged or sub standard textile fabrics of length not exceeding three metres, falling under sub heading 5903.19 or 5903.29 of the Central Excise Tariff, from the whole of the excise duty leviable under the Additional Duties of Excise (Goods of Special Importance) Act, pursuant to powers under the Central Excise Rules.

Excise exemption for plastics-coated textile fabrics limited by annual clearance and prior year turnover cap threshold.
The notification exempts textile fabrics impregnated, coated, covered or laminated with plastics by restricting excise duty to an amount calculated at fifty per cent of the rate leviable under the Schedule, subject to aggregate first clearances for home consumption not exceeding three lakhs square metres in a financial year and excludes the exemption where aggregate clearances had exceeded a specified high-value turnover in the preceding financial year.

Exemption for embroidery limits additional excise duty to that on base fabrics, preventing excess charges.
Embroidery under sub-heading No. 5805.13 is exempt from Additional Duties of Excise to the extent that duty exceeds the amount calculated at the rate leviable on the base fabrics, provided such excess has not already been paid; the exemption is granted under rule 8(1) of the Central Excise Rules, 1944 read with section 3(3) of the Additional Duties of Excise (Goods of Special Importance) Act, 1957.

Excise duty exemption for specified textile, twine, nets and jute goods where length, width or prior duty payment conditions apply.
The Central Government exempts specified goods under Chapters 56, 59 and 63 from excise duty in excess of the rates stated in the notification's Table, listing affected headings, reduced or nil rates and conditions. Entries cover damaged or sub-standard plastic-impregnated textile fabrics (limited length), twine/cordage/rope and cables (nil rate if yarn has prior duty paid), fishing nets (nil rate), cotton belting (nil rate if width limit observed), jute bags (nil rate if jute fabric deemed duty-paid), and finished made-up textile articles (nil rate when produced on weftpile knitting machines). Market purchase of jute fabric or yarn is deemed to satisfy prior duty payment conditions.