The Customs Tariff Act Decoded: Understanding Its Structure, Schedules And Legislative Vision Behind The Finance Bill, 2026 Amendments

Raj Jaggipro badge , Last updated: 05 February 2026  
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Where Customs Duty Meets Economic Policy

Every time a ship docks at an Indian port or an aircraft lands with imported goods, it carries more than just cargo. Hidden behind each consignment is a silent economic story - a story about protecting domestic industries, encouraging technological growth, managing foreign trade, and balancing national priorities. The law that quietly governs this story is the Customs Tariff Act, 1975.

At first glance, the Act may appear to be a simple rate schedule prescribing duties on imports and exports. However, in reality, it functions as a powerful economic instrument that shapes trade behaviour, influences industrial development, and reflects the Government's long-term economic vision. The amendments proposed vide Clause 136 of the Finance Bill, 2026, once again remind us that tariff laws do not merely determine tax liability; they also help shape the nation's economic roadmap.

The Customs Tariff Act Decoded: Understanding Its Structure, Schedules And Legislative Vision Behind The Finance Bill, 2026 Amendments

To properly understand this silent economic narrative, it is important to recognise that India's customs framework works through two closely connected laws. While the Customs Act, 1962, governs the procedural journey of goods- from their arrival, valuation, and clearance to adjudication and enforcement- the Customs Tariff Act, 1975, determines the financial consequences of that journey. It is this legislation that decides how goods are classified and what duty they attract. In simple terms, if the Customs Act governs the movement of goods across borders, the Customs Tariff Act determines the price that movement carries in the form of customs duty. Together, these two laws operate like two coordinated pillars supporting India's international trade regulation.

With every Union Budget, the narrative of India's trade policy enters a new chapter. Duty structures are carefully revisited, recalibrated, and, at times, completely reshaped to respond to shifting economic priorities and rapidly changing global trade landscapes. The Finance Bill, 2026, represents a decisive moment in this ongoing process. Under Clause 136, it proposes significant amendments to the First Schedule of the Customs Tariff Act, 1975, with amendments to be implemented in carefully planned phases. Yet, the true impact of these proposed amendments cannot be understood by examining only the revised duty entries. To fully appreciate their significance, one must step back and examine the legislative philosophy, structural design, and foundational framework of the Customs Tariff Act itself- the very blueprint that governs India's tariff architecture.

The Customs Tariff Act Decoded: Understanding Its Structure, Schedules And Legislative Vision Behind The Finance Bill, 2026 Amendments

Objectives of the Customs Tariff Act, 1975

(A) Revenue as a Foundational Fiscal Objective

One of the main objectives of the Customs Tariff Act is to generate government revenue through duties levied on imported and exported goods. Customs duties have traditionally been an important source of indirect tax revenue, particularly in developing countries where international trade continues to grow. Therefore, the duty rates prescribed under the Act play a crucial role in funding public expenditure and supporting national development programmes.

(B) Regulation of International Trade Flows

Apart from generating revenue, the Customs Tariff Act also plays an important role in regulating international trade. By changing duty rates, the Government can encourage or discourage the import or export of certain goods. Higher tariffs may be imposed to control excessive imports that could harm domestic industries, while lower or concessionary tariffs may be applied to essential raw materials and capital goods to support industrial growth and technological development.

 

(C) Protection and Promotion of Domestic Manufacturing

The tariff structure under the Act also serves as a protective shield for domestic manufacturers. By prescribing differential duty rates, the Government supports growing industries that face intense global competition. At the same time, the Act encourages the development of key sectors, including electronics, renewable energy, defence manufacturing, and infrastructure, by offering duty concessions that foster long-term industrial growth.

(D) Harmonisation with International Classification Standards

Another important objective of the Act is to align India's tariff system with internationally accepted trade classification standards. The tariff schedules are based on the Harmonised System of Nomenclature (HSN), which provides a uniform global system for classifying goods. This standardised system helps maintain consistency in trade documentation, reduces classification disputes, and facilitates international trade.

These objectives highlight how the Customs Tariff Act connects taxation laws with the country's broader economic goals. It is clear that tariff provisions serve not only as tax regulations but also as important instruments for guiding trade and industrial development.

Structural Framework of the Customs Tariff Act, 1975

The Customs Tariff Act employs a schedule-based structure to classify goods and prescribe duty rates. This framework ensures systematic classification, administrative clarity, and legal certainty.

The First Schedule - The Backbone of Import Tariff Regulation

The First Schedule is the most detailed and important part of the Customs Tariff Act. It provides a clear and organised system for classifying imported goods by dividing them into chapters, headings, sub-headings, and tariff items. Each classification entry mentions the applicable Basic Customs Duty rate and, wherever required, other related duty components.

The First Schedule serves as the main reference for assessing import duties. Importers, customs officials, and tax experts rely heavily on this schedule to classify goods, determine applicable tariffs, and calculate customs duties. Therefore, any changes to the First Schedule have immediate and broad effects on international trade activities.

The Second Schedule - Regulation of Export Duties

While the First Schedule deals with duties on imported goods, the Second Schedule prescribes duties on certain exported goods. Export duties are imposed only in selected cases, typically when the government seeks to regulate the export of important natural resources, agricultural products, or essential raw materials. This selective use of export duties helps maintain a balance between conserving domestic resources and supporting international trade.

Together, these schedules create a complete tariff framework that helps the Government not only generate revenue but also regulate international trade through customs taxation

 Scope of Goods Covered Under Different Schedules of the Customs Tariff Framework

To understand tariff schedules, it is important to know which goods are covered under each schedule. The schedule-based structure of the Customs Tariff Act, 1975, is not just meant for organising information; it is a carefully designed classification system that reflects the country's economic, industrial, and strategic priorities. Each schedule groups goods based on their trade characteristics, policy importance, and regulatory needs

(i) Scope of Goods Covered Under the First Schedule - Import Tariff Structure

The First Schedule is the principal system for classifying goods imported into India. It has a broad scope and encompasses nearly all types of goods imported into the country for commercial, industrial, or personal use. The schedule is divided into chapters, generally arranged according to the nature, composition, and intended use of the goods.

 

Broadly, the goods listed in the First Schedule encompass agricultural products, mineral resources, chemicals, plastics, textiles, machinery, electronic devices, transport vehicles, medical instruments, and consumer items. The classification system adopts a progressive order, starting with primary sector items like live animals and crops, then shifting to intermediate products such as chemicals and manufactured inputs, and ending with finished industrial and consumer goods .

The tariff treatment delineated within this schedule frequently mirrors national industrial policy priorities. For example, raw materials and capital goods essential for domestic manufacturing are often assigned reduced duty rates to incentivise industrial production, whereas finished consumer goods tend to incur comparatively higher tariffs to safeguard domestic manufacturers from excessive foreign competition. Furthermore, technological products, defence equipment, renewable energy components, and infrastructure-related machinery are frequently granted tailored tariff measures to promote strategic development objectives.

 

The First Schedule, therefore, serves as the operational backbone of import duty regulation and directly influences trade competitiveness, industrial growth, and revenue mobilisation.

(ii) Scope of Goods Covered Under the Second Schedule - Export Tariff Regulation

In contrast to the First Schedule, which generally covers a broad spectrum of imported goods, the Second Schedule has a comparatively selective, policy-driven scope. Export duties are imposed exclusively on specified goods, with the objective of the Government to regulate outward movement in order to conserve domestic resources or stabilise internal market conditions.

Goods generally subject to export duties encompass specific natural resources, minerals, agricultural products, and raw materials of strategic or economic importance for local industries. The implementation of export duties may aim to achieve various policy objectives, including discouraging excessive exports of vital raw materials required by domestic manufacturers, preventing the depletion of natural resources, or stabilising the domestic prices of sensitive commodities.

The selective nature of the Second Schedule exemplifies the Government's cautious approach to export taxation, acknowledging that export promotion remains a fundamental catalyst for economic growth. As a result, export duties are typically imposed judiciously and solely in sectors where safeguarding domestic supply or ensuring economic stability necessitates regulatory measures.

Conceptual Scope of Amendment Schedules under the Finance Bill, 2026 - Legislative Perspective

While the discussion in this section is anchored in the amendment framework introduced in the Finance Bill, 2026, it also reflects the broader legislative philosophy governing amendment schedules in Finance Bills addressing tariff restructuring.

While the Customs Tariff Act, 1975, contains permanent tariff schedules, Finance Bills, including the Finance Bill, 2026, periodically introduce additional schedules to amend these tariff structures. These amendment schedules do not independently classify goods; instead, they modify existing tariff entries in the First Schedule in accordance with evolving policy priorities.

 (A) Goods Impacted Through Amendments Specified in the Second Schedule to the Finance Bill, 2026, effective from the date of enactment of the Finance Act, 2026

The Second Schedule to the Finance Bill, 2026, primarily addresses goods necessitating prompt tariff rationalisation. It generally encompasses sectors experiencing urgent trade pressures, classification issues, or technological changes that demand tariff adjustments. Amendments to this schedule may affect industrial inputs, specialised machinery, or other goods that require prompt policy updates in response to global trade developments. These amendments shall take effect on the date of enactment of the Finance Act, 2026.

(B) Goods Covered Under Amendments Effective from 1 April 2026 through the Third Schedule

Amendments under the Third Schedule typically involve goods that need organised tariff adjustments timed with the financial year. This schedule typically covers sectors in which tariff revisions are part of broader industrial or economic reform policies. These goods may include manufacturing inputs, infrastructure components, or items associated with sector-specific incentive programs.

The implementation based on the financial year affords industries sufficient time to amend their procurement strategies, pricing policies, and contractual arrangements in anticipation of changes in duty structures.

(C) Goods Covered Under Amendments Effective from 1 May 2026 through the Fourth and Fifth Schedules

The Fourth and Fifth Schedules introduced via the Finance Bill signify an additional phase of tariff restructuring. Items included in these amendment schedules typically pertain to sectors requiring extended transition periods to facilitate supply chain adaptation or contractual renegotiation. These amendments may encompass technologically advanced sectors, specialised manufacturing inputs, or goods that require phased incorporation into revised tariff frameworks.

The addition of multiple amendment schedules demonstrates a well-structured tariff reform plan that aims to balance policy objectives with real-world business considerations.

(D) Classification Principles Governing Inclusion of Goods in Different Schedules

The placement of goods within various tariff schedules is governed by internationally recognised classification principles, principally based on the Harmonised System of Nomenclature. Goods are categorised according to their material composition, functional attributes, manufacturing stage, and end-use applications. This systematic classification guarantees consistency in tariff interpretation and reduces potential disputes between importers and customs authorities.

Furthermore, factors such as domestic manufacturing capacity, resource conservation, technological advancement, and trade competitiveness are crucial in determining tariff levels and duty rates.

(E) Practical Importance of Understanding Schedule-Wise Scope of Goods

For importers, exporters, and tax professionals, understanding which goods fall under different tariff schedules is crucial. Precise classification affects duty costs, exemption eligibility, trade agreement application, and regulatory compliance. Even small classification errors can have significant financial consequences or legal implications. Consequently, professionals dealing with customs matters must not only interpret tariff entries but also appreciate the broader policy rationale underlying schedule-based classification.

Having understood the conceptual role of amendment schedules under Finance Bills, it is now appropriate to examine how Clause 136 of the Finance Bill, 2026, operationalises this legislative mechanism.

Legislative Overview -Clause 136 of the Finance Bill, 2026

The conceptual framework discussed above finds specific legislative expression in Clause 136 of the Finance Bill, 2026. Clause 136 proposes a structured and phased amendment to the First Schedule of the Customs Tariff Act, 1975.

The legislative intent behind these amendments is further clarified through the Notes on Clauses accompanying the Finance Bill, 2026. These notes explain that:

 
  • The Second Schedule introduces composite duty on certain goods
  • The Third Schedule revises duty rates effective from 1 April 2026
  • The Fourth and Fifth Schedules introduce new tariff entries and revise duty rates effective from 1 May 2026

These explanatory notes help readers understand the structured and phased nature of the proposed tariff amendments.

The staggered amendment timelines indicate that tariff restructuring under the Finance Bill, 2026, is intended to proceed through a sequence of policy interventions rather than through a single, uniform amendment.

Role and Scope of Different Schedules under the Finance Bill, 2026

(i)Amendments through the Second Schedule - Addressing Immediate Policy Requirements

The Second Schedule to the Finance Bill typically includes tariff changes that take effect immediately upon enactment of the Finance Act. These amendments typically address urgent economic or trade policy needs. They often involve fixing classification errors, streamlining duty structures, or implementing protective measures for domestic sectors vulnerable to sudden increases in imports.

Immediate amendments enable the Government to respond promptly to rapidly evolving global trade developments, without delaying action until the commencement of the subsequent financial year

(ii)Amendments through the Third Schedule - Alignment with the Financial Year Cycle

The amendments stipulated in the Third Schedule are scheduled to take effect from 1 April 2026, aligning with the commencement of the fiscal year. This timing demonstrates administrative foresight and commercial prudence. By synchronising tariff revisions with the fiscal year, the Government affords enterprises adequate transition time to adapt their procurement strategies, pricing mechanisms, and contractual obligations. Such synchronisation fosters greater compliance and reduces disruptions to long-term commercial planning.

(iii)Amendments through the Fourth and Fifth Schedules - Facilitating Extended Transition

Clause 136 adds an additional phase of staggered implementation, commencing on 1 May 2026, through amendments to the Fourth and Fifth Schedules. This extended timeline reflects a deliberate policy strategy to give industries more time for adjustments. These changes could help support supply chain restructuring, inventory management, and the renegotiation of international trade agreements.

The use of multiple effective dates indicates an evolving legislative philosophy in which tariff reforms are implemented progressively to maintain economic stability.

 Legislative Significance of Phased Tariff Amendments

Implementing the staggered tariff amendment mechanisms possesses significant policy and commercial implications. Phased implementation helps avoid abrupt market disruptions caused by sudden changes in duties. This strategy enables enterprises to better plan compliance and modify their supply chains with increased confidence. At the macroeconomic level, gradual tariff restructuring facilitates a smoother transition, balancing trade liberalisation with the protection of the domestic industry.

This legislative approach reflects a more consultative and responsive tariff policy framework, recognising the close connection between global trade dynamics and domestic economic priorities.

Practical Relevance for Trade Stakeholders and Tax Professionals

Tariff amendments, even when seemingly minor in numerical terms, frequently result in significant financial and compliance implications for importers and exporters. Advisors to businesses must diligently oversee changes in classification, duty rate modifications, and transitional effective dates. Misinterpretation of tariff amendments can adversely impact pricing strategies, contractual commitments, and supply chain operations. Therefore, having a thorough understanding of schedule-based amendments is crucial for accurate duty calculation and maintaining regulatory compliance.

Concluding Reflections

At first glance, the Customs Tariff Act, 1975, may appear to be a collection of duty rates arranged in structured schedules. Yet, behind these numerical entries lies a much larger economic narrative. Each tariff revision quietly reflects the Government's changing priorities, its response to global trade currents, and its commitment to balancing domestic growth with international competitiveness. In this sense, tariff law does not remain static; it evolves alongside the nation's economic journey.

The amendments proposed through the Finance Bill, 2026, particularly under Clause 136, represent another carefully designed step in this evolving process. By introducing phased modifications to the tariff framework, the legislature seeks to create a calibrated transition that supports industry preparedness, trade stability, and policy continuity. For professionals and trade stakeholders, therefore, understanding these amendments requires looking beyond the revised duty rates and appreciating the broader legislative and economic intent that shapes them. Ultimately, tariff interpretation is not merely an exercise in reading numbers; it is an exercise in understanding the direction in which the nation's economic compass is moving.

Author's Note

In writing this article, the endeavour has been to move beyond merely identifying tariff entries or listing the goods that may be affected by Clause 136 of the Finance Bill, 2026. The deeper intention has been to help readers understand the legislative objective, economic thinking, and policy rationale that guide such amendments. In taxation, and particularly in tariff law, true understanding does not arise from reading schedules alone; it emerges from appreciating the purpose and context behind them.

This perspective becomes especially meaningful for professionals who may not be regularly engaged in customs-related assignments. Expanding one's knowledge beyond immediate areas of practice strengthens professional confidence and broadens intellectual horizons. Law, after all, is an interconnected discipline, and a conceptual understanding of one branch often enriches clarity in many others.

In professional life, it is easy to focus only on compliance requirements and statutory listings. However, growth begins when we seek to understand the rationale for legislative changes. Reading tariff schedules may sometimes appear to be a mechanical exercise, but interpreting the policy vision that shapes them transforms it into a journey of learning.

It is sincerely hoped that this article encourages readers to approach legislative amendments not merely as changes in duty rates but as reflections of evolving economic priorities and national policy direction. Continuous learning and curiosity remain the strongest tools of a professional, and every amendment offers an opportunity to deepen that understanding.


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Raj Jaggi
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