Fundamentals of Financial and Cost Accounting · Accounting Principles, Concepts and Conventions

Accounting Conventions: Consistency, Disclosure, Materiality and Conservatism

Updated 10 October 2026 · Fact-checked

Accounting conventions are customary practices that guide how accountants prepare and present financial statements. The four you must know are consistency (use the same methods every year), full disclosure (show all material facts), materiality (ignore trivial items) and conservatism (provide for losses, not anticipated gains). Identify the practice described, then name the convention.

Understand Accounting Conventions

Accounting concepts are the basic assumptions on which accounting rests, such as business entity, going concern and money measurement. Conventions are customs or traditions that accountants follow so that statements are useful, comparable and fair. Concepts tell you what the base is. Conventions tell you how to handle judgement and presentation.

The convention of consistency says you should follow the same accounting methods and policies from one period to the next. If a firm uses straight line depreciation this year, it should not switch to diminishing balance next year just to show a better profit. Consistency makes year-to-year comparison meaningful. A change is allowed only when there is a good reason, such as a change in law or a clearly better way of showing the results, and the change and its effect must be disclosed.

The convention of full disclosure says financial statements must show all material facts that a user needs to judge the business. Nothing important should be hidden. This is why we have notes to accounts, and why contingent liabilities, such as a pending court claim, are mentioned even when no payment has been made yet.

The convention of materiality says you should give proper attention to items that are significant and may ignore trivial ones. What is material depends on size and nature. A pencil costing ₹10 is charged to expense at once, even though it lasts for months. A machine costing ₹5,00,000 is shown as an asset. Materiality saves effort and keeps statements clear.

The convention of conservatism (prudence) says you should provide for all expected losses but not count expected profits until they are realised. Stock is valued at cost or market price, whichever is lower. A provision for doubtful debts is created, but no gain is booked for a likely rise in value. Conservatism should not be misused to create hidden reserves or deliberately understate profit.

Key formulas to remember

Consistency: Same method, period after period; Change only for a valid reason, and disclose the effect of the change.
Full disclosure: All material facts must be shown; Done through the statements and notes to accounts, such as contingent liabilities.
Materiality: Significant items shown separately; trivial items ignored or merged; Depends on the amount and the nature of the item.
Conservatism: Provide for all expected losses; do not anticipate profits; Example: stock valued at lower of cost and market price.
Concept vs convention: Concept = basic assumption; Convention = customary practice; Conventions guide judgement and presentation; they are not rigid laws.

How to solve Accounting Conventions questions

Most questions give a situation and ask which convention applies. Use this method.

1Read the situation and find the action taken by the business.
2Ask: is it about repeating a method, hiding or showing facts, ignoring a small amount, or recording a loss or gain?
3Match: same method each year means consistency; showing all facts or notes means full disclosure.
4Match: small amount treated as expense means materiality; providing for loss or not booking profit means conservatism.
5Check the options for look-alikes such as concepts like going concern or matching.
6Choose the one that fits the key action, then verify no other option fits better.

Quickest way: Keyword matching

When to use it: Use for one-line MCQs where the practice is described briefly.

Spot the trigger word: same every year, disclose, insignificant, or provision for loss.
Link it: same year to year gives consistency; disclose or notes gives full disclosure.
Link it: insignificant or small amount gives materiality; provision, lower of cost or market, or no anticipated profit gives conservatism.
Eliminate options that are concepts, not conventions.

Common mistakes in Accounting Conventions

Treating conservatism as permission to understate profit heavily.
Students remember only 'provide for losses'.
Fix: Remember it means reasonable caution, not deliberately hidden reserves.
Saying a change in method is never allowed under consistency.
The word 'same' is read too strictly.
Fix: A change is allowed for a valid reason, with disclosure of its effect.
Confusing materiality with full disclosure.
Both deal with what to show.
Fix: Full disclosure shows all important facts; materiality decides what counts as important and lets you ignore the trivial.
Calling matching or going concern a convention.
All appear in the same chapter.
Fix: Treat them as concepts. Conventions are consistency, full disclosure, materiality and conservatism.
Assuming materiality depends only on the rupee amount.
Small amounts seem automatically ignorable.
Fix: Nature also matters. A small amount of fraud or a related-party item may still be material.

Worked examples

Example 1

A firm values its closing stock at cost ₹80,000 against a market price of ₹70,000. It shows the stock at ₹70,000. Which convention is followed?
A. Consistency
B. Materiality
C. Conservatism
D. Full disclosure

Show the solution

The action is valuing stock at the lower of cost and market price.
Market price is lower, so the expected loss of ₹10,000 (₹80,000 − ₹70,000) is recorded now.
Recording an expected loss before it occurs is the idea behind conservatism.

Answer: C. Conservatism

Example 2

A company of Pune uses the straight line method of depreciation for its machinery every year, without changing it. Which convention does this show?
A. Consistency
B. Conservatism
C. Materiality
D. Full disclosure

Show the solution

The action is using the same depreciation method year after year.
Applying the same method over periods is the meaning of consistency.
It is not about loss provision, small items or showing facts, so B, C and D do not fit.

Answer: A. Consistency

Exam tips

Learn one trigger phrase per convention and match it in seconds.
If an option is a concept such as going concern, eliminate it when the question asks for a convention.
Stock at lower of cost and market price and provision for doubtful debts are the favourite examples of conservatism.
Small stationery or items expensed at once usually point to materiality.
The difference between concept and convention is a common theory question, so know it clearly.

Practice questions from Accounting Principles, Concepts and Conventions

Accounting Conventions in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Accounting Conventions: frequently asked questions

What is the difference between a concept and a convention in accounting?

Concepts are the basic assumptions on which accounting is built, such as business entity and going concern. Conventions are customary practices that guide how you apply judgement and present statements. Conventions are flexible, while concepts form the foundation.

What are examples of the convention of conservatism?

Valuing closing stock at the lower of cost and market price is one. Creating a provision for doubtful debts is another. In both cases you account for expected losses but do not record expected gains.

Why is full disclosure important?

Users such as investors and lenders rely on statements to take decisions. Showing all material facts, including notes on contingent liabilities and accounting policies, helps them judge the business fairly.

Can a business change its accounting method under consistency?

Yes, if there is a valid reason, such as a legal requirement or a better presentation. The change and its effect on profit should be disclosed.