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CA Foundation Accounting Standards: AS 1 to AS 10 Explained with Examples

Published: 3 May 2026·11 min read·By CA Saarthi Team

CA foundation accounting standards

# CA Foundation Accounting Standards: AS 1 to AS 10 Explained with Examples

The CA Foundation accounting standards form a critical component of the Accounting paper, carrying substantial weightage in the ICAI Foundation examination. Understanding these standards is essential not just for clearing your exam, but also for building a strong foundation for your chartered accountancy career. This comprehensive guide covers all ten Accounting Standards (AS 1 to AS 10) prescribed by the Institute of Chartered Accountants of India (ICAI) for the CA Foundation level, complete with practical examples and exam-oriented explanations.

What Are Accounting Standards?

Accounting Standards are written policy documents issued by expert accounting bodies relating to various aspects of measurement, treatment, presentation, and disclosure of accounting transactions and events. In India, the ICAI is the authoritative body responsible for formulating Accounting Standards. These standards ensure uniformity, consistency, and comparability in financial statements across different organizations.

For CA Foundation students, mastering these standards is crucial as they typically account for 8-12 marks in the Accounting paper. The CA foundation accounting standards not only help you score well but also prepare you for advanced standards at Intermediate and Final levels.

AS 1: Disclosure of Accounting Policies

Overview and Objective

AS 1, issued in 1979 (revised in 1997), is the foundational standard that deals with the disclosure of significant accounting policies followed in preparing financial statements. It emphasizes that accounting policies should be disclosed clearly to enable users to understand the basis of financial statement preparation.

Fundamental Accounting Assumptions

AS 1 identifies three fundamental accounting assumptions:

**Going Concern**: The enterprise is expected to continue operations in the foreseeable future with no intention of liquidation

**Consistency**: Accounting policies remain uniform from one period to another

**Accrual**: Revenues and costs are recognized when earned or incurred, not when received or paid

Example

If a company changes its depreciation method from Straight Line Method (SLM) to Written Down Value (WDV) method, it must disclose this change, the reasons, and its financial impact—this maintains consistency principle compliance.

AS 2: Valuation of Inventories

Core Principles

AS 2, originally issued in 1981 and revised in 1999, prescribes the accounting treatment for inventories. The fundamental principle is that inventories should be valued at **cost or net realizable value, whichever is lower**.

Components of Cost

Purchase cost — : Purchase price + duties + taxes (non-refundable) + freight inward

Conversion cost — : Direct labor + direct expenses + production overheads

Other costs — : Costs incurred to bring inventory to present location and condition

Net Realizable Value (NRV)

NRV = Estimated Selling Price - Estimated Cost of Completion - Estimated Selling Expenses

Practical Example

A retailer purchases 100 units at ₹500 each (Cost = ₹50,000). At year-end, the market price falls to ₹450 per unit. The inventory should be valued at ₹45,000 (100 × ₹450), following the lower of cost or NRV principle.

AS 3: Cash Flow Statements

Statement Structure

AS 3 (revised in 2019) requires enterprises to prepare Cash Flow Statements classifying cash flows into three categories:

**Operating Activities**: Principal revenue-producing activities (e.g., cash from customers, payment to suppliers)

**Investing Activities**: Acquisition and disposal of long-term assets (e.g., purchase of machinery, sale of investments)

**Financing Activities**: Activities resulting in changes in equity and borrowings (e.g., issue of shares, repayment of loans)

Methods of Preparation

Direct Method — : Reports major classes of gross cash receipts and payments

Indirect Method — : Adjusts net profit for non-cash transactions

Example

If a company shows a net profit of ₹5,00,000 but depreciation charged was ₹1,00,000 (non-cash expense), the cash flow from operating activities would start with ₹5,00,000 and add back ₹1,00,000 depreciation.

AS 4: Contingencies and Events Occurring After the Balance Sheet Date

Contingencies

A contingency is a condition or situation whose ultimate outcome depends on future uncertain events. The CA foundation accounting standards require that:

Contingent losses — : Disclosed by way of notes (not provided unless probability is high)

Contingent gains — : Not recognized until realization is virtually certain

Post Balance Sheet Events

Events occurring between the balance sheet date and the date when financial statements are approved are categorized as:

**Adjusting events**: Provide evidence of conditions existing at balance sheet date (require adjustment)

**Non-adjusting events**: Indicate conditions arising after balance sheet date (require disclosure only)

Example

If a company's financial year ends on March 31, 2024, and a major customer files for bankruptcy on April 15, 2024, but the financial condition existed on March 31, this is an adjusting event requiring provision for bad debts.

AS 5: Net Profit or Loss for the Period, Prior Period Items and Changes in Accounting Policies

Key Components

AS 5 (revised in 1997) distinguishes between:

Ordinary activities — : Revenue and expenses related to regular business operations

Extraordinary items — : Income or expenses from events clearly distinct from ordinary activities (now largely eliminated under recent revisions)

Prior period items — : Material items of income or expense relating to prior periods

Treatment of Prior Period Items

Prior period items should be disclosed separately in the Statement of Profit and Loss, not included in current year's income or expense.

Example

If a company discovers in 2024 that it forgot to charge depreciation of ₹50,000 in 2023, this should be disclosed as a prior period item in the 2024 financial statements.

AS 6: Depreciation Accounting

Depreciation Fundamentals

AS 6 (revised in 2016) defines depreciation as a measure of wearing out, consumption, or loss of value arising from use, passage of time, or obsolescence through technology and market changes.

Key Factors

**Historical cost or revalued amount**: The basis for depreciation calculation

**Useful life**: Expected period of asset use

**Residual value**: Estimated amount recoverable at end of useful life

Methods of Depreciation

Straight Line Method (SLM) — : Equal amount charged every year

Written Down Value (WDV) — : Depreciation on reducing balance

Units of Production Method — : Based on actual usage

Example

A machine costs ₹1,00,000 with useful life of 10 years and residual value of ₹10,000.

SLM depreciation = (₹1,00,000 - ₹10,000) / 10 = ₹9,000 per year

WDV depreciation at 15% = ₹15,000 in year 1, ₹12,750 in year 2, and so on

AS 7: Construction Contracts

Contract Types

AS 7 (revised in 2002) deals with accounting for construction contracts:

**Fixed Price Contracts**: Contractor agrees to fixed contract price

**Cost Plus Contracts**: Contractor is reimbursed for costs plus percentage or fixed fee

Revenue Recognition

Revenue and costs should be recognized with reference to the stage of completion (Percentage of Completion Method).

**Percentage of Completion** = (Cost incurred to date / Total estimated contract cost) × 100

Example

A construction company has a contract worth ₹50,00,000. By year-end, it has incurred costs of ₹30,00,000 out of total estimated costs of ₹40,00,000.

Percentage of completion = (₹30,00,000 / ₹40,00,000) × 100 = 75%

Revenue recognized = 75% of ₹50,00,000 = ₹37,50,000

AS 8: Accounting for Research and Development

Classification

AS 8 distinguishes between:

**Research**: Original and planned investigation to gain new scientific or technical knowledge

**Development**: Application of research findings to produce new or improved products/processes

Accounting Treatment

Research costs — : Charged as expense in the year incurred

Development costs — : May be deferred (capitalized) if specific criteria met, otherwise expensed

Fixed assets used for R&D — : Capitalized and depreciated

Deferral Criteria for Development Costs

Development costs can be deferred only when:

The product/process is clearly defined

Technical feasibility is established

Management intends to produce and market

Future market exists

Adequate resources available

Example

A pharmaceutical company spends ₹10,00,000 on research for a new drug. This must be expensed immediately. If it then spends ₹5,00,000 on developing the drug (meeting all criteria), this can be capitalized as an intangible asset.

AS 9: Revenue Recognition

Revenue Recognition Principles

AS 9 (revised in 2002) establishes when revenue should be recognized. The CA foundation accounting standards emphasize that revenue should be recognized when:

Significant risks and rewards transfer to buyer

No effective control retained over goods

Revenue amount can be measured reliably

Economic benefits will probably flow to enterprise

Costs incurred can be measured reliably

Revenue Recognition for Different Transactions

Sale of goods — : When significant risks and rewards transfer

Rendering of services — : Based on percentage of completion or completed service contract method

Interest, royalties, and dividends — : On time basis (interest), accrual basis (royalties), when right to receive established (dividends)

Example

A software company receives ₹1,20,000 for a 12-month maintenance contract starting October 1, 2023. By March 31, 2024 (6 months), revenue recognized would be ₹60,000, with ₹60,000 shown as unearned revenue (liability).

AS 10: Accounting for Fixed Assets

Definition and Classification

AS 10 (revised in 2016) deals with accounting treatment for fixed assets—tangible assets held for producing goods/services, rental to others, or administrative purposes with useful life exceeding one year.

Components of Cost

Fixed asset cost includes:

Purchase price — : Including import duties and non-refundable taxes

Directly attributable costs — : Site preparation, installation, professional fees

Pre-operative expenses — : Allocated on systematic basis

Self-Constructed Assets

Cost includes direct materials, direct labor, and appropriate proportion of overheads.

Subsequent Expenditure

Revenue expenditure — : Maintains operating capacity (charged to Profit & Loss)

Capital expenditure — : Increases future benefits (added to asset cost)

Example

A company purchases machinery for ₹5,00,000, pays freight ₹20,000, installation charges ₹30,000, and trial run expenses ₹10,000. The total cost capitalized = ₹5,60,000 (excluding trial run if not necessary for bringing asset to working condition).

Examination Strategy for CA Foundation Accounting Standards

Weightage and Question Patterns

CA foundation accounting standards typically appear in both theoretical and practical questions:

Theory questions — : 2-4 marks on definitions, objectives, and principles

Practical problems — : 4-8 marks on application-based numerical questions

Case studies — : Combining multiple standards

Preparation Tips

**Understand, don't memorize**: Focus on underlying principles and logic

**Practice numericals**: Solve past year questions and practice manuals

**Create comparison charts**: Compare similar standards (AS 1 vs AS 5, AS 6 vs AS 10)

**Focus on disclosure requirements**: Many questions test knowledge of what to disclose

**Link standards**: Understand how different standards interrelate

Common Mistakes to Avoid

Confusing AS 2 (Inventories) with AS 10 (Fixed Assets) valuation

Incorrect classification in Cash Flow Statements (AS 3)

Misunderstanding adjusting vs non-adjusting events (AS 4)

Wrong application of percentage of completion method (AS 7)

Practical Application Beyond Exams

While your immediate focus is clearing the CA Foundation examination, understanding these standards has practical implications:

Financial statement analysis — : You'll better understand company annual reports

Professional career — : Foundation for advanced standards at CA Inter and Final

Business decisions — : These standards govern how businesses record and report transactions

Global perspective — : Indian AS evolved from International Accounting Standards (IAS)

The CA foundation accounting standards create a framework for consistent, reliable, and comparable financial reporting—skills essential for every chartered accountant.

Key Takeaways

AS 1 to AS 10 form the foundation — : These ten standards cover fundamental accounting concepts from policy disclosure to fixed asset accounting, carrying significant weightage in CA Foundation exams

Practical application is crucial — : Understanding standards goes beyond theory; focus on solving numerical problems and case studies involving valuation of inventories (AS 2), cash flow preparation (AS 3), and revenue recognition (AS 9)

Focus on distinction and disclosure — : Pay special attention to distinguishing between similar concepts (revenue vs capital expenditure, adjusting vs non-adjusting events, research vs development) and disclosure requirements

Link standards with accounting principles — : Each standard builds on fundamental assumptions of going concern, consistency, and accrual (AS 1), forming an integrated framework for financial reporting

Exam strategy matters — : Allocate study time based on weightage—AS 2, AS 6, AS 9, and AS 10 typically carry more practical questions, while AS 1, AS 4, and AS 5 often appear in theory portions

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CA Foundation Accounting Standards: AS 1 to AS 10 Explained with Examples

What Are Accounting Standards?

AS 1: Disclosure of Accounting Policies

Overview and Objective

Fundamental Accounting Assumptions

Example

AS 2: Valuation of Inventories

Core Principles

Components of Cost

Net Realizable Value (NRV)

Practical Example

AS 3: Cash Flow Statements

Statement Structure

Methods of Preparation

Example

AS 4: Contingencies and Events Occurring After the Balance Sheet Date

Contingencies

Post Balance Sheet Events

Example

AS 5: Net Profit or Loss for the Period, Prior Period Items and Changes in Accounting Policies

Key Components

Treatment of Prior Period Items

Example

AS 6: Depreciation Accounting

Depreciation Fundamentals

Key Factors

Methods of Depreciation

Example

AS 7: Construction Contracts

Contract Types

Revenue Recognition

Example

AS 8: Accounting for Research and Development

Classification

Accounting Treatment

Deferral Criteria for Development Costs

Example

AS 9: Revenue Recognition

Revenue Recognition Principles

Revenue Recognition for Different Transactions

Example

AS 10: Accounting for Fixed Assets

Definition and Classification

Components of Cost

Self-Constructed Assets

Subsequent Expenditure

Example

Examination Strategy for CA Foundation Accounting Standards

Weightage and Question Patterns

Preparation Tips

Common Mistakes to Avoid

Practical Application Beyond Exams

Key Takeaways

Ready to Start Your CA Foundation Journey?

More Articles

CA Foundation Accounting Standards: AS 1 to AS 10 Explained with Examples

What Are Accounting Standards?

AS 1: Disclosure of Accounting Policies

Overview and Objective

Fundamental Accounting Assumptions

Example

AS 2: Valuation of Inventories

Core Principles

Components of Cost

Net Realizable Value (NRV)

Practical Example

AS 3: Cash Flow Statements

Statement Structure

Methods of Preparation

Example

AS 4: Contingencies and Events Occurring After the Balance Sheet Date

Contingencies

Post Balance Sheet Events

Example

AS 5: Net Profit or Loss for the Period, Prior Period Items and Changes in Accounting Policies

Key Components

Treatment of Prior Period Items

Example

AS 6: Depreciation Accounting

Depreciation Fundamentals