Rule 2 of the Income-tax Rules, 1962: Definitions Explained

Rule 2 explains how key expressions used in the Income-tax Rules, 1962 are to be understood. Its definitions help readers interpret references to the Income-tax Act, authorised banks, statutory provisions and prescribed forms.

What does Rule 2 define?

Sub-rule (1) begins with the qualification "unless the context otherwise requires". That means its definitions generally apply throughout the 1962 Rules, but a particular provision can call for a different reading where its context demands one.

Rule 2(1)(a): "Act"

The term "Act" means the Income-tax Act, 1961 (43 of 1961). Accordingly, references to "the Act" in these historical rules refer to that legislation, rather than automatically to a later enactment.

Rule 2(1)(aa): "Authorised bank"

An "authorised bank" means a bank appointed by the Reserve Bank of India as its agent under section 45(1) of the Reserve Bank of India Act, 1934 (2 of 1934). The definition concerns the specified RBI agency appointment; it should not be treated as meaning every bank authorised to carry on banking business.

Rule 2(1)(b): "Chapter", "section" and "Schedule"

These words refer, respectively, to a Chapter of, a section of and a Schedule to the Income-tax Act, 1961, unless the context requires otherwise.

Rule 2(2): References to "Forms"

References to "Forms" in the 1962 Rules are references to the forms set out in Appendix II to those Rules. The relevant version of a form should be checked for the applicable period.

Why these definitions matter

Definitions are important when interpreting filing requirements, prescribed procedures, tax administration provisions and references to forms. For example, if a historical rule requires submission in a specified "Form", Rule 2(2) directs the reader to Appendix II rather than to an informal template.

Similarly, when a rule refers to a particular "section" without naming another enactment, Rule 2(1)(b) establishes the ordinary reference point within the Income-tax Act, 1961.

How to read Rule 2 after 1 April 2026

Because the 2025 income-tax legislation commenced on 1 April 2026, the tax year and the relevant legal regime must be identified before relying on a definition from the 1962 Rules. The older definition of "Act" is part of the older rules and should not be silently rewritten to refer to the Income-tax Act, 2025.

For earlier periods, proceedings and matters covered by applicable transitional or savings provisions, the 1961 Act and associated rules may remain relevant. For new-law compliance, use the definitions, prescribed forms and procedural requirements applicable under the 2025 framework.

Practical interpretation examples

Example 1: Reference to a section

A provision of the Income-tax Rules, 1962 refers to a numbered "section" without specifying another statute. Under Rule 2, the reference ordinarily means that section of the Income-tax Act, 1961.

Example 2: A prescribed form

A legacy filing instruction calls for a particular form. Rule 2 directs the reader to Appendix II of the 1962 Rules; however, the applicable form and version should be checked for the relevant assessment year or proceeding.

Example 3: Authorised bank

Where the expression "authorised bank" appears, its meaning depends on the RBI agency appointment described in the definition, not simply on whether the institution is a commercial bank.

Key takeaway

Rule 2 of the Income-tax Rules, 1962 establishes a compact set of interpretive definitions: the Income-tax Act, 1961; RBI-appointed authorised banks; references to Chapters, sections and Schedules; and forms in Appendix II. Apply those definitions to the correct statutory period, and consult the operative framework for matters arising under the Income-tax Act, 2025.

Updated: 10 October 2026. This article is for general legal and tax information, not individual professional advice.