What underlying concepts and conventions govern how transactions are recognised and measured, and why do they matter?
Explain the key accounting concepts and conventions and apply them to justify the recognition and measurement of transactions
A focused answer to the H2 Principles of Accounting outcome on accounting concepts and conventions. Going concern, accruals, consistency, prudence, materiality, the business entity and historical cost, and how each justifies a treatment.
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What this dot point is asking
SEAB wants you to explain the main accounting concepts and conventions and, crucially, to apply them to justify how a transaction is recognised and measured. In the exam this rarely appears as bare definitions; instead you are given a scenario where a figure has been treated wrongly and asked which concept governs the correct treatment. The central insight is that the concepts are the shared rulebook that makes financial statements comparable and reliable, and almost every adjustment in the syllabus traces back to one of them.
The answer
The concepts divide loosely into fundamental assumptions (the ground rules) and measurement and prudence conventions (how figures are chosen). You should be able to state each one in a sentence and, more importantly, name it when a scenario calls for it.
The fundamental assumptions
| Concept | What it says | Typical application |
|---|---|---|
| Going concern | The business will continue for the foreseeable future | Assets carried at cost less depreciation, not break-up value |
| Accruals (matching) | Recognise income when earned and expenses when incurred, not when cash moves | Accruals, prepayments, depreciation |
| Business entity | The business is separate from its owner | Owner's private spending is drawings, not a business expense |
| Money measurement | Only items measurable in money are recorded | Staff morale and brand loyalty are excluded |
The measurement and prudence conventions
| Concept | What it says | Typical application |
|---|---|---|
| Historical cost | Record assets at the price paid | PPE shown at original cost less accumulated depreciation |
| Prudence | Do not overstate assets/income or understate liabilities/expenses | Allowance for impairment, inventory at lower of cost and NRV |
| Consistency | Apply the same policies period to period | Same depreciation method each year unless justified |
| Materiality | Only items large enough to influence decisions need separate treatment | Low-value tools expensed rather than capitalised |
How the concepts interact
The concepts are not a list to recite; they form a system. Going concern justifies depreciation, which is itself an application of matching. Prudence acts as a brake on accruals so that uncertain income is not recognised too early. Consistency makes one period comparable with the next, supporting the wider goal of useful information. When two concepts seem to conflict (for example accruals would recognise income but prudence urges caution), prudence usually constrains the more optimistic treatment.
Examples in context
Example 1. Inventory at lower of cost and net realisable value. A retailer holds stock costing \50,000\. Prudence requires inventory to be written down to the lower figure, recognising the \15,000$ loss now rather than waiting for the sale. This single rule, "lower of cost and NRV", is prudence made concrete and recurs throughout the assets strand.
Example 2. A consistent depreciation policy. A delivery firm depreciates vehicles at reducing balance every year. Consistency means it cannot switch to straight-line one year simply to flatter profit. If a change is genuinely justified (for example a more realistic usage pattern), it must be disclosed so users can still compare the figures across years.
Try this
Q1. A sole trader records the purchase of a \30$ stapler as a non-current asset and depreciates it over ten years. Which concept suggests this is unnecessary, and what should be done? [2 marks]
- Cue. Materiality: the amount is too small to influence any user's decision, so the stapler should simply be expensed in full this year.
Q2. Explain why the going concern concept must be questioned if a business is about to be wound up. [3 marks]
- Cue. Going concern assumes continued operation; if the business is closing, assets should be valued at their break-up or net realisable amounts rather than cost less depreciation, because they will be sold, not used.
Q3. A firm has earned but not yet received \4,000$ of interest. State the concept requiring it to be recognised now and the double entry. [3 marks]
- Cue. Accruals: recognise income when earned. Debit accrued income (receivable) \4,000\, so both the asset and the income appear in this period.
Exam-style practice questions
Practice questions written in the style of SEAB exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.
Original6 marksA business owner argues that because a delivery van will last five years, its full cost should be charged as an expense only in the final year when it is scrapped. (a) Name the two concepts the owner has breached. (b) Explain the correct treatment for the first year.Show worked answer →
(a) The owner breaches the accruals (matching) concept and the going concern concept. Matching requires the cost of the van to be spread over the periods that benefit from its use, not bunched into one year. Going concern assumes the business will continue, so the asset is carried and depreciated rather than written off at scrap value immediately.
(b) The van is a non-current asset measured at cost. In year one it appears as an asset and a depreciation expense is matched to the revenue it helped earn. Using straight-line over five years with no residual value:
Depreciation per year .
So year one shows a depreciation expense of \8,00040,000 - 8,000 = \ in the statement of financial position.
Markers reward naming both concepts, the matching argument for spreading the cost, and a correct year-one depreciation figure with the carrying amount.
Original5 marksExplain how the prudence concept and the accruals concept can pull in opposite directions, using the example of a possible bad debt and accrued commission income.Show worked answer →
Prudence says do not overstate assets or income and do not understate liabilities or expenses; recognise probable losses as soon as they are foreseeable. Accruals says recognise income and expenses when they are earned or incurred, regardless of cash.
For a possible bad debt, prudence dominates: even though the sale was correctly recognised under accruals, an allowance for impairment is created to avoid overstating receivables. The asset is reduced and an expense recognised.
For accrued commission income that has been earned but not yet received, accruals says recognise it as income and as a receivable now. Prudence urges caution: the income is only recognised if it is reasonably certain to be received; if collection is doubtful it should not be accrued.
The resolution is that prudence acts as a constraint on accruals. Income is accrued when earned and reasonably certain; expenses and losses are recognised as soon as they are probable. Markers reward a clear statement of each concept, the receivable example reduced by prudence, and the principle that prudence constrains the recognition of uncertain income.
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