CBSE Class 11 Accountancy Theory Base of Accounting Notes 2026-27
CBSE Class 11 Accountancy – Theory Base of Accounting Notes
These concepts help us understand why a particular transaction is recorded in a particular way.
In this chapter, students will learn:
Fundamental Accounting Assumptions
GAAP – Generally Accepted Accounting Principles
Basic Accounting Concepts
Materiality and Objectivity
System of Accounting
Cash Basis and Accrual Basis of Accounting
Accounting Standards – AS and Ind AS
Goods and Services Tax (GST)
1. Fundamental Accounting Assumptions
Fundamental accounting assumptions are the basic assumptions on which accounting is normally based.
There are three fundamental accounting assumptions:
Going Concern
Consistency
Accrual
1. Going Concern Assumption
The Going Concern Assumption means that a business is assumed to continue its operations for an indefinite period in the future.
In simple words:
We assume that the business will not close down in the near future.
Example
Suppose a business purchases furniture for ₹1,00,000.
The furniture is expected to be used for several years. We do not treat the entire ₹1,00,000 as an expense of the current year because the business is assumed to continue operating.
Why is Going Concern Important?
It helps in:
Calculation of depreciation
Classification of assets and liabilities
Valuation of assets
Preparation of financial statements
2. Consistency Assumption
The Consistency Assumption means that accounting policies and methods should be applied consistently from one accounting period to another.
Example
If a business uses the Straight Line Method for depreciation, it should normally continue using the same method in subsequent years unless there is a valid reason for changing it.
Importance
Consistency helps in:
Comparing financial statements of different years
Identifying changes in profit
Making meaningful financial analysis
Exam Point: Consistency does not mean that accounting methods can never be changed. A change may be made when required or when it results in more appropriate presentation, with proper disclosure.
3. Accrual Assumption
The Accrual Assumption means that transactions are recorded when they occur, rather than only when cash is received or paid.
Example
Salary for March is ₹20,000 but it is paid in April.
Under the accrual basis, the salary expense belongs to March, because the expense was incurred in March.
Therefore:
Expense is recognised when incurred, not merely when cash is paid.
2. GAAP – Generally Accepted Accounting Principles
GAAP stands for Generally Accepted Accounting Principles.
GAAP refers to the commonly accepted accounting principles, concepts, assumptions, conventions and rules that provide a framework for recording and presenting accounting information.
In Simple Language
GAAP tells accountants:
How accounting transactions should be recorded and how financial information should be presented.
Objectives of GAAP
GAAP helps to:
Bring uniformity in accounting
Make financial statements understandable
Improve comparability
Increase reliability of accounting information
Reduce confusion in accounting treatment
3. Basic Accounting Concepts
Accounting concepts are the basic ideas or principles that guide the preparation of accounting records and financial statements.
Important accounting concepts included in the CBSE syllabus are:
Business Entity Concept
Money Measurement Concept
Going Concern Concept
Accounting Period Concept
Cost Concept
Dual Aspect Concept
Revenue Recognition Concept
Matching Concept
Full Disclosure Concept
Consistency Concept
Conservatism Concept
Let us understand each concept in an easy way.
3.1 Business Entity Concept
The Business Entity Concept states that the business and its owner are treated as separate entities for accounting purposes.
Example
Suppose Rahul starts a business with ₹5,00,000.
For the business:
₹5,00,000 is treated as Capital
Rahul is treated separately from the business
If Rahul withdraws ₹20,000 for personal use, it is recorded as Drawings.
Easy Trick
Owner ≠ Business
For accounting purposes, they are treated separately.
3.2 Money Measurement Concept
The Money Measurement Concept states that only those transactions and events which can be measured in terms of money are recorded in accounting.
Example
A business has:
Good reputation
Efficient employees
Skilled manager
Good working environment
These may be valuable, but they cannot normally be recorded directly unless they can be measured reliably in monetary terms.
On the other hand:
Purchase of machinery ₹2,00,000
Payment of salary ₹50,000
Sales ₹1,00,000
can be expressed in money and therefore can be recorded.
Remember
No monetary measurement = Normally no accounting record
3.3 Going Concern Concept
Under this concept, it is assumed that the business will continue its operations for the foreseeable future.
For example, machinery purchased by a business is expected to provide benefits over several years.
Therefore, the cost of machinery is allocated over its useful life through depreciation.
3.4 Accounting Period Concept
Although a business may continue for many years, its performance cannot wait until the business closes.
Therefore, the life of a business is divided into specific periods.
These periods are called Accounting Periods.
Example
For many businesses in India, the accounting year is:
1 April to 31 March
At the end of the accounting period, financial statements are prepared to determine:
Profit or Loss
Financial Position
Easy Example
A business may exist for 20 years, but accounts are prepared year after year.
3.5 Cost Concept
According to the Cost Concept, an asset is generally recorded initially at the amount paid to acquire it, including relevant costs necessary to bring it to its usable condition.
Example
A machine is purchased for:
Purchase price = ₹2,00,000
Transportation = ₹10,000
Installation = ₹20,000
Initial cost of machine:
₹2,00,000 + ₹10,000 + ₹20,000 = ₹2,30,000
Remember
Asset is initially recorded on the basis of its acquisition cost.
3.6 Dual Aspect Concept
The Dual Aspect Concept is the foundation of the double-entry system of accounting.
It states that every business transaction has two aspects.
Therefore:
Assets = Capital + Liabilities
or
Capital = Assets – Liabilities
Example
The owner starts business with cash ₹1,00,000.
Two aspects are:
Cash increases → Asset increases
Capital increases → Owner's claim increases
Therefore:
Assets = Capital
₹1,00,000 = ₹1,00,000
Important Exam Point
Every transaction affects at least two accounts or two aspects.
3.7 Revenue Recognition Concept
The Revenue Recognition Concept states that revenue should be recognised when it is earned, subject to the applicable accounting framework and conditions for recognition.
Example
Goods are sold to a customer for ₹50,000 on credit.
The business has earned revenue from the sale even though cash has not yet been received.
Therefore, the sale is recorded as revenue and the customer becomes a debtor.
Remember
Revenue is connected with earning, not simply with cash collection.
3.8 Matching Concept
The Matching Concept states that expenses related to the revenue of a particular accounting period should be recognised in the same period to determine the correct profit or loss.
Example
A business earns revenue of ₹2,00,000 during the year.
Expenses related to earning this revenue are ₹1,20,000.
Therefore:
Profit = Revenue – Related Expenses
Profit = ₹2,00,000 – ₹1,20,000 = ₹80,000
Why is Matching Important?
It helps in calculating the correct profit or loss for an accounting period.
3.9 Full Disclosure Concept
The Full Disclosure Concept states that all material information necessary for understanding financial statements should be properly disclosed.
Financial statements should not hide important information that could affect the decisions of users.
Example
If there is an important accounting policy, significant liability or other material information that users need to understand the financial statements, appropriate disclosure should be made.
Purpose
It improves:
Transparency
Reliability
Understanding
Decision-making
3.10 Consistency Concept
The Consistency Concept means that once an accounting method or policy is adopted, it should normally be followed consistently from one period to another.
Example
If the business follows a particular method for calculating depreciation, continuing with the method helps users compare financial statements.
Benefit
Consistency → Better Comparability
3.11 Conservatism Concept
The Conservatism Concept, also called the Prudence Concept, suggests that accounting should exercise caution when dealing with uncertainty.
In simple words:
Do not overstate profits or assets and do not understate liabilities or expenses.
However, conservatism does not mean creating secret reserves or deliberately understating profits.
Example
If there is a reasonable expectation of a loss, it may need to be recognised according to the applicable accounting requirements.
Easy Memory Trick
Prudence = Caution in accounting
4. Materiality
Materiality means that accounting information is considered material if its omission, misstatement or non-disclosure could influence the decisions of users of financial statements.
In simple language:
Important information should receive proper attention and disclosure.
Example
For a large company, an expense of ₹100 may be insignificant.
But for a very small business, the same amount may have greater significance.
Therefore, materiality depends on the size and nature of the item and the circumstances.
Exam Point
Materiality helps accountants decide:
Which information needs detailed presentation
Which information needs separate disclosure
Which information may be grouped together
5. Objectivity
The Objectivity Principle means that accounting information should be based on objective and verifiable evidence as far as possible.
Examples of Evidence
Invoice
Bill
Receipt
Bank statement
Agreement
Purchase order
Example
If goods are purchased for ₹50,000, the purchase invoice provides evidence of the transaction.
Easy Trick
Objectivity = Evidence-based accounting
6. System of Accounting
A system of accounting is the method or framework used for recording business transactions.
The two main systems are:
Double Entry System
Single Entry System
Double Entry System
Under the double-entry system, every transaction has two aspects and both aspects are recorded.
For example:
Business purchases furniture for cash ₹20,000.
Two aspects:
Furniture increases
Cash decreases
Main Features
Every transaction has two aspects
Both aspects are recorded
Debit and credit rules are followed
It provides a systematic record
It helps in preparing a Trial Balance
CBSE Exam Point: The double-entry system is the scientific and systematic system of accounting.
7. Basis of Accounting
The basis of accounting determines when income and expenses are recognised.
There are two main bases:
Cash Basis
Accrual Basis
7.1 Cash Basis of Accounting
Under the Cash Basis, transactions are recorded when cash is actually received or paid.
Example
Salary for March = ₹20,000.
It is paid in April.
Under cash basis:
The expense will be recorded in April, when cash is actually paid.
Features
Income is recorded when cash is received
Expense is recorded when cash is paid
Outstanding expenses are generally not recognised until paid
Income received in advance is recorded when received
7.2 Accrual Basis of Accounting
Under the Accrual Basis, income and expenses are recognised when they are earned or incurred, regardless of when cash is received or paid.
Example
Salary for March = ₹20,000.
It is paid in April.
Under accrual basis:
The expense belongs to March.
Features
Income is recognised when earned
Expenses are recognised when incurred
Outstanding expenses are recognised
Prepaid expenses are adjusted
Accrued income is recognised
Income received in advance is treated appropriately
Cash Basis vs Accrual Basis
| Basis | Cash Basis | Accrual Basis |
|---|---|---|
| Income | When cash is received | When income is earned |
| Expense | When cash is paid | When expense is incurred |
| Outstanding Expense | Normally not recognised until paid | Recognised |
| Prepaid Expense | Generally not adjusted in the same way | Adjusted |
| Accrued Income | Normally not recognised until received | Recognised |
| Profit Measurement | Based mainly on cash flows | Based on accounting period |
Exam Tip: Remember:
Cash Basis → Cash movement
Accrual Basis → Earning/incurring
8. Accounting Standards
Accounting Standards are written principles and requirements that provide a framework for recognition, measurement, presentation and disclosure of accounting items.
They help different businesses follow more consistent accounting practices.
The CBSE curriculum expects students to understand the meaning, applicability, objectives, advantages and limitations of accounting standards.
Objectives of Accounting Standards
Accounting Standards help to:
Bring uniformity in accounting practices
Improve comparability
Improve reliability of financial statements
Reduce differences in accounting treatment
Improve transparency
Help users understand financial information
9. Accounting Standards – AS
AS means Accounting Standards.
In India, Accounting Standards apply to entities according to the applicable legal and professional framework.
The ICAI notes that Accounting Standards notified under the Companies (Accounting Standards) Rules, 2021 apply to companies that are not following Ind AS, while ICAI-prescribed standards also apply to relevant non-company entities.
Simple Understanding
Think of Accounting Standards as:
Common accounting rules that help businesses record and present financial information in a consistent manner.
10. Indian Accounting Standards – Ind AS
Ind AS stands for Indian Accounting Standards.
Ind AS are accounting standards notified in India and are based on convergence with IFRS (International Financial Reporting Standards), with Indian-specific modifications where applicable.
The ICAI explains that Ind AS are notified by the Government under the Companies Act framework and are applicable to specified classes of companies according to the applicable roadmap.
AS vs Ind AS – Basic Difference
| Basis | AS | Ind AS |
|---|---|---|
| Meaning | Accounting Standards | Indian Accounting Standards |
| Application | Applicable entities not following Ind AS, as prescribed | Specified classes of entities |
| International convergence | Traditional Indian framework | Converged substantially with IFRS |
| Main purpose | Consistency in accounting | Consistency plus greater convergence with global financial reporting |
Important
Students should not assume that every business in India follows Ind AS. Applicability depends on the type and category of entity and the applicable legal requirements.
11. Why Are Accounting Standards Important?
Accounting Standards are important because different businesses may otherwise use different methods for recording similar transactions.
For example, if two businesses use completely different methods for recognising or measuring the same type of item, comparison becomes difficult.
Accounting Standards help bring:
Uniformity
Similar transactions are treated according to common requirements.
Comparability
Financial statements can be compared more meaningfully.
Reliability
Users receive more structured and consistent information.
Transparency
Important accounting policies and information are presented appropriately.
12. Goods and Services Tax – GST
GST stands for Goods and Services Tax.
It is an indirect tax levied on the supply of goods and services in India.
GST replaced several earlier indirect taxes at the central and state levels and created a more unified indirect tax framework.
Characteristics of GST
1. Indirect Tax
GST is an indirect tax because the burden of the tax can ultimately be passed on to the consumer.
2. Tax on Supply
GST is generally levied on the supply of goods and services.
3. Destination-Based Tax
GST is designed as a destination-based consumption tax, meaning the tax revenue is associated with the place where goods or services are consumed.
4. Dual GST Structure
India follows a dual GST structure.
The major components include:
CGST – Central Goods and Services Tax
SGST – State Goods and Services Tax
IGST – Integrated Goods and Services Tax
Example
If a transaction takes place within the same state, CGST and SGST may apply.
For an inter-state supply, IGST may apply, subject to the GST law.
13. Advantages of GST
GST provides several advantages to the taxation system.
1. Simplifies the Indirect Tax Structure
GST brought many indirect taxes into a common framework.
2. Reduces Cascading of Taxes
The input tax credit mechanism helps reduce the cascading effect of taxes, subject to the applicable conditions.
3. Common National Tax Framework
GST provides a more unified indirect tax system across India.
4. Better Transparency
Transactions are recorded through a structured tax system.
5. Technology-Based System
GST uses online registration, return filing, invoicing and other digital processes.
6. Input Tax Credit
Businesses can generally claim eligible input tax credit subject to GST rules and conditions.
7. Helps in Better Compliance
The technology-driven system supports reporting and monitoring of transactions.
14. Quick Revision – Theory Base of Accounting
| Topic | One-Line Meaning |
|---|---|
| Going Concern | Business is assumed to continue |
| Consistency | Same accounting methods are followed consistently |
| Accrual | Transactions are recognised when earned/incurred |
| Business Entity | Business and owner are separate |
| Money Measurement | Only measurable transactions are recorded |
| Accounting Period | Business life is divided into accounting periods |
| Cost Concept | Assets are initially recorded at acquisition cost |
| Dual Aspect | Every transaction has two aspects |
| Revenue Recognition | Revenue is recognised when earned |
| Matching | Related expenses are matched with revenue |
| Full Disclosure | Material information should be properly disclosed |
| Conservatism | Exercise caution under uncertainty |
| Materiality | Important information should receive appropriate attention |
| Objectivity | Accounting should be supported by evidence |
| Cash Basis | Record when cash is received/paid |
| Accrual Basis | Record when income is earned/expense is incurred |
| AS | Accounting Standards |
| Ind AS | Indian Accounting Standards |
| GST | Goods and Services Tax |
15. Important Differences for Exams
Cash Basis vs Accrual Basis
Cash Basis:
Record when money is received or paid.
Accrual Basis:
Record when income is earned or expense is incurred.
AS vs Ind AS
AS: Accounting Standards applicable to relevant entities according to the applicable framework.
Ind AS: Indian Accounting Standards notified for specified classes of entities and substantially converged with IFRS.
Materiality vs Objectivity
Materiality: Focuses on the importance of information.
Objectivity: Focuses on evidence and verifiability of accounting information.
16. Important CBSE Exam Questions
Very Short Answer Questions
What is the Going Concern Assumption?
What is GAAP?
Define Business Entity Concept.
What is Money Measurement Concept?
What is the Dual Aspect Concept?
What is Materiality?
What is Objectivity?
What is Cash Basis of Accounting?
What is Accrual Basis of Accounting?
What is GST?
Short Answer Questions
Explain any three accounting concepts.
Explain the importance of the Dual Aspect Concept.
Distinguish between Cash Basis and Accrual Basis.
Explain Materiality and Objectivity.
State the objectives of Accounting Standards.
Explain the difference between AS and Ind AS.
Explain any four characteristics of GST.
State the advantages of GST.
Long Answer Questions
Explain the important accounting concepts with suitable examples.
Explain the fundamental accounting assumptions.
Explain the objectives and advantages of Accounting Standards.
Distinguish between Cash Basis and Accrual Basis of Accounting.
Explain the characteristics and advantages of GST.
17. Easy Memory Trick for Accounting Concepts
Students can remember the major concepts using this sequence:
B – M – G – A – C – D – R – M – F – C – C
B – Business Entity
M – Money Measurement
G – Going Concern
A – Accounting Period
C – Cost
D – Dual Aspect
R – Revenue Recognition
M – Matching
F – Full Disclosure
C – Consistency
C – Conservatism
18. Chapter Summary
Theory Base of Accounting explains the basic foundation of accounting.
The most important points to remember are:
Accounting is based on certain assumptions and concepts.
Business and owner are treated separately.
Only transactions measurable in money are normally recorded.
A business is assumed to continue as a going concern.
The life of a business is divided into accounting periods.
Every transaction has two aspects.
Revenue and expenses are recognised according to the applicable accounting basis and framework.
Accounting Standards help bring consistency and comparability.
AS and Ind AS apply to entities according to the applicable framework.
Cash basis records transactions on the basis of cash movement.
Accrual basis records income when earned and expenses when incurred.
GST is an indirect tax on the supply of goods and services and follows a dual GST structure in India.
Frequently Asked Questions – FAQs
Q1. What is Theory Base of Accounting?
Theory Base of Accounting refers to the basic assumptions, concepts, principles and standards that provide the foundation for accounting.
Q2. What are the three fundamental accounting assumptions?
The three fundamental accounting assumptions are:
Going Concern
Consistency
Accrual
Q3. What is the Dual Aspect Concept?
It states that every business transaction has two aspects and both aspects are recorded in accounting.
Q4. Which is better – Cash Basis or Accrual Basis?
For accounting purposes, neither should simply be called "better" without considering the purpose and applicable framework. Accrual accounting provides information based on the period in which income is earned and expenses are incurred.
Q5. What is GST?
GST stands for Goods and Services Tax. It is an indirect tax on the supply of goods and services in India.
Q6. What is the difference between AS and Ind AS?
AS refers to Accounting Standards applicable under the relevant framework, while Ind AS refers to Indian Accounting Standards notified for specified classes of entities and substantially converged with IFRS.
Final Exam Tip
For CBSE Class 11 Accountancy, do not only memorise definitions. Understand each concept with a simple example.
A good answer generally contains:
Meaning → Explanation → Example → Important Point
This approach makes theoretical questions much easier to answer in the examination.
Best of Luck for your CBSE Class 11 Accountancy preparation!
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