Provisional assessment of duty
Section 18 of the Customs Act, 1962 deals with provisional assessment of duty. Notwithstanding anything contained in this Act but without prejudice to the provisions of section 46 [and section 50],-- (a) where the importer or exporter is unable to make self-assessment under sub-section (1) of section 17 and makes a request in writing to the proper officer for assessment; The Act came into force on 01 Feb 1963.
1 [(1) Notwithstanding anything contained in this Act but without prejudice to the provisions of section 46 2 [and section 50],--
(a) where the importer or exporter is unable to make self-assessment under sub-section (1) of section 17 and makes a request in writing to the proper officer for assessment; or
(b) where the proper officer deems it necessary to subject any imported goods or export goods to any chemical or other test; or
(c) where the importer or exporter has produced all the necessary documents and furnished full information but the proper officer deems it necessary to make further enquiry; or
(d) where necessary documents have not been produced or information has not been furnished and the proper officer deems it necessary to make further enquiry,
the proper officer may direct that the duty leviable on such goods be assessed provisionally if the importer or the exporter, as the case may be, furnishes such security as the proper officer deems fit for the payment of the deficiency, if any, between the duty as may be finally assessed or re-assessed as the case may be, and the duty provisionally assessed.]
2 [(1A) Where, pursuant to the provisional assessment under sub-section (1), if any document or information is required by the proper officer for final assessment, the importer or exporter, as the case may be, shall submit such document or information within such time, and the proper officer shall finalise the provisional assessment within such time and in such manner, as may be prescribed.]
(2) When the duty leviable on such goods is assessed finally 3 [or re-assessed by the proper officer] in accordance with the provisions of this Act, then--
(a) in the case of goods cleared for home consumption or exportation, the amount paid shall be adjusted against the duty 4 [finally assessed or re-assessed, as the case may be,] and if the amount so paid falls short of, or is in excess of 5 [the duty 4 [finally assessed or re-assessed, as the case may be,]], the importer or the exporter of the goods shall pay the deficiency or be entitled to a refund, as the case may be;
(b) in the case of warehoused goods, the proper officer may, where the duty 4 [finally assessed or re-assessed, as the case may be,] is in excess of the duty provisionally assessed, require the importer to execute a bond, binding himself in a sum equal to twice the amount of the excess duty.
6 [(3) The importer or exporter shall be liable to pay interest, on any amount payable to the Central Government, consequent to the final assessment order 3 [or re-assessment order] under sub-section (2), at the rate fixed by the Central Government under section 7 [28AA] from the first day of the month in which the duty is provisionally assessed till the date of payment thereof.]
(4) Subject the sub-section (5), if any refundable amount referred to in clause (a) of sub-section (2) is not refunded under that sub-section within three months from the date of assessment, of duty finally 3 [or re-assessment of duty, as the case may be,] there shall be paid an interest on such un-refunded amount at such rate fixed by the Central Government under section 27A till the date of refund of such amount.]
(5) The amount of duty refundable under sub-section (2) and the interest under sub-section (4), if any, shall, instead of being credited to the Fund, be paid to the importer or the exporter, as the case may be, if such amount is relatable to--
(a) the duty and interest, if any, paid on such duty paid by the importer, or the exporter, as the case may be, if he had not passed on the incidence of such duty and interest, if any, paid on such duty to any other person;
(b) the duty and interest, if any, paid on such duty on imports made by an individual for his personal use;
(c) the duty and interest, if any, paid on such duty borne by the buyer, if he had not passed on the incidence of such duty and interest, if any, paid on such duty to any other person;
(d) the export duty as specified in section 26;
Section 18, The Customs Act, 1962 (Act 52 of 1962).
Cross-references
Extracted from the operative text of the enactments themselves. Every destination below exists in our corpus.
This section refers to
- s. 17 Assessment of duty
- s. 26 Refund of export duty in certain cases
- s. 27A Interest on delayed refunds
- s. 46 Entry of goods on importation
- s. 50 Entry of goods for exportation
- s. 74 Drawback allowable on re-export of duty-paid goods
- s. 75 Drawback on imported materials used in the manufacture of goods which are exported
Related judgements & precedents
These are some judgments that construed this section, and hold precedence value. They hold authority on how to read, interpret and use this section.
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Commissioner of Customs, New Delhi vs Oriental Exports, New Delhi
Court's Decision & Legal Precedent
The doctrine of unjust enrichment is not applicable to provisional assessments under Section 18 of the Customs Act, and this principle remains inapplicable even after the finalization of such provisional assessments, as determined by the binding three-Judge Bench precedent in CCE, Mumbai-II v. Allied Photographics India Ltd.
On this section: Provision governing provisional assessment in customs law; Court held that doctrine of unjust enrichment does not apply to provisional assessments under this section
The holding above is the ratio decidendi as extracted from the judgment by eCourts India, reproduced unaltered — it is a rendering of the court's reasoning, not a substitute for its words. Read the order itself before relying on it.
Judgments citing this section
These may be obiter dicta or a precedent, for you to study. These are the judgments where this section is quoted.
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… Subject to the provisions of rule 3, the value of imported goods shall be the transaction value of identical goods sold for export to India and imported at or about the same time as the goods being valued; Provided that such transaction value shall not be the value of the goods provisionally assessed under section 18 of the Customs Act, 1962. (b) In applying this rule, the transaction value of identical goods in a sale at the same commercial level and in substantially the same quantity as the goods being valued shall be used to determine the value of imported goods. (c) Where no sale referred to in clause (b) of sub-rule (1), …
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… Subject to the provisions of rule 3, the value of imported goods shall be the transaction value of identical goods sold for export to India and imported at or about the same time as the goods being valued; Provided that such transaction value shall not be the value of the goods provisionally assessed under section 18 of the Customs Act, 1962. (b) In applying this rule, the transaction value of identical goods in a sale at the same commercial level and in substantially the same quantity as the goods being valued shall be used to determine the value of imported goods. (c) Where no sale referred to in clause (b) of sub-rule (1), …
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… Subject to the provisions of rule 3, the value of imported goods shall be the transaction value of identical goods sold for export to India and imported at or about the same time as the goods being valued; Provided that such transaction value shall not be the value of the goods provisionally assessed under section 18 of the Customs Act, 1962. (b) In applying this rule, the transaction value of identical goods in a sale at the same commercial level and in substantially the same quantity as the goods being valued shall be used to determine the value of imported goods. (c) Where no sale referred to in clause (b) of sub-rule (1), …
Made under this section, and citing it
5 instruments state that it was made under this provision — the power to make it comes from here, so a change to any of them changes what this section requires in practice. Newest first.
- Customs (Finalisation of Provisional Assessment) Regulations, 2018Regulation 2018
- Notification No.73/2018-Cus (NT),dt. 14.08.2018Notification 2018
- Customs (Provisional Duty Assessment) Regulations, 2011Regulation 2011
- Customs (Provisional Duty Assessment) Regulations, 2011Regulation 2011
- Notification No.81/2011-Cus(NT), dated 25.11.2011Notification 2011
Another 4 instruments name this provision in its title or its text without being made under it.
- Implementation of 'Self-Assessment' in Customs.- Circular No.17/2011-Customs, dated 8.4.11Circular 2011
- Customs Valuation (Determination of Value of Imported Goods) Amendment Rules, 2007Rule 2007
- Customs Valuation (Determination of Value of Imported Goods) Rules, 2007Rule 2007
- Notification No.51/1988-Cus(NT), dated 18.7.1988Notification 1988
Questions about Section 18
What have the courts held on Section 18 of the Customs Act?
Commissioner of Customs, New Delhi vs Oriental Exports, New Delhi (27 Apr 2006) is the leading judgment on this section among those set out below: Provision governing provisional assessment in customs law; Court held that doctrine of unjust enrichment does not apply to provisional assessments under this section.
How do I find court cases under Section 18 of the Customs Act?
In judgments and charge sheets this section is written several ways, and each form finds a different set of orders. These search the full text of every order eCourtsIndia holds, best matches first: Customs Act 1962 18, section 18 Customs Act 1962, section 18 of the Customs Act. Each opens the full list of orders on eCourtsIndia, where it can be narrowed by court, year and outcome. 1 reported judgment on this section is set out on this page, beginning with Commissioner of Customs, New Delhi vs Oriental Exports, New Delhi (27 Apr 2006).
What should I read with Section 18 of the Customs Act, and has it changed?
Its own text turns on section 17 (Assessment of duty), section 26 (Refund of export duty in certain cases), section 27A (Interest on delayed refunds), section 46 (Entry of goods on importation), and on 3 further provisions, so none of them can safely be read on its own. 5 other provisions in this corpus refer back to it. The rules and notifications made under it are where it actually bites, and there are 5: most recently Customs (Finalisation of Provisional Assessment) Regulations, 2018 (2018), then Notification No.73/2018-Cus (NT),dt. 14.08.2018 (2018), and 3 more.
When did Section 18 of the Customs Act come into force?
Section 18 of the Customs Act, cited as Customs Act 1962 18, came into force on 01 Feb 1963, having been enacted on 13 Dec 1962. It is in force as at the date shown on this page.
Other sections of this Act
- 28. Recovery of duties not levied or not paid or short-levied or short-paid or erroneously refunded2145 words
- 2. Definitions1638 words
- 129A. Appeals to the Appellate Tribunal1170 words
- 27. Claim for refund of duty1060 words
- 127C. Procedure on receipt of an application under section 127B1056 words
- 138C. Admissibility of micro films, facsimile copies of documents and computer print outs as documents and as evidence872 words
Source and method. Compiled from the enactments of Parliament and of the State legislatures as published on India Code, and republished together with commentary and other original matter under section 52(1)(q)(ii) of the Copyright Act, 1957. Structured, cross-referenced and maintained by eCourtsIndia. Text as in force on 15 Oct 2026. This page is not a substitute for legal advice.