What Are Accounting Policies?

How UK companies choose, apply and disclose accounting policies under FRS 102, including the key policies most businesses need to address and the rules for changing policies.

Accounting policies are the specific principles, bases, conventions, rules and practices that a company applies when preparing and presenting its financial statements. They determine how transactions and events are recognised, measured and disclosed in the accounts.

Under FRS 102, companies must select accounting policies that result in financial statements providing relevant and reliable information. Once chosen, policies must be applied consistently from one period to the next in line with the consistency concept.

Why Accounting Policies Matter

Different accounting policies can produce significantly different reported figures from the same underlying transactions. For example, a company choosing to depreciate a vehicle over three years will report higher expenses in the early years than one depreciating the same vehicle over five years. The choice of policy affects:

Selecting Accounting Policies

FRS 102 Hierarchy

When selecting a policy for a particular type of transaction, a company should apply the following hierarchy:

  1. Specific FRS 102 requirements: If FRS 102 addresses the transaction directly, follow that guidance
  2. Similar transactions: If no specific guidance exists, look at FRS 102 requirements for similar transactions
  3. General principles: Apply the definitions, recognition criteria and measurement concepts from the FRS 102 conceptual framework

Key Criteria

Accounting policies should be:

Common Accounting Policies

Every UK company must establish policies for its significant areas of accounting. The following table shows the most common policies and the choices available:

Area Typical policy choices
Revenue recognition Point of delivery, completion of service, percentage of completion for long-term contracts
Depreciation Straight-line, reducing balance; useful life estimates for each asset class
Stock valuation FIFO (first in first out), weighted average cost
Goodwill amortisation Amortisation period (up to 10 years under FRS 102, or longer if justified)
Lease classification Finance lease vs operating lease under Section 20
Foreign currency Transaction date rate, average rate for income and expenses
Research and development Expense research costs; capitalise development costs when criteria are met
Government grants Performance model or accrual model
Financial instruments Basic instruments at amortised cost; option to use fair value

Example: Depreciation Policy

A typical depreciation policy disclosure reads:

Tangible fixed assets are stated at cost less accumulated depreciation and accumulated impairment losses. Depreciation is provided on a straight-line basis over the estimated useful lives as follows:

Asset class Useful life
Freehold buildings 50 years
Plant and machinery 5 to 10 years
Motor vehicles 4 years
Computer equipment 3 years
Fixtures and fittings 5 to 8 years

Land is not depreciated. Residual values and useful lives are reviewed annually.

Disclosure Requirements

Notes to the Accounts

Under FRS 102 Section 8, a company must disclose in the notes:

This is usually the first or second note in the accounts and is titled “Accounting policies” or “Principal accounting policies.”

What Must Be Disclosed

The disclosure should cover every area where a policy choice has been made or where the treatment is not obvious from the financial statements themselves. Areas that almost always require disclosure include:

Changing Accounting Policies

When a Change Is Permitted

A company may change an accounting policy only if:

A change in policy is not the same as a change in estimate. Changing the useful life of an asset is a change in estimate (applied prospectively). Changing from FIFO to weighted average for stock valuation is a change in policy.

How to Account for a Change

Under FRS 102 Section 10, a voluntary change in accounting policy is applied retrospectively. This means:

  1. The opening balances of the earliest period presented are restated as if the new policy had always been applied
  2. Comparative figures are restated
  3. The cumulative effect is adjusted through the profit and loss reserve (retained earnings)
Step Action
1 Calculate the cumulative effect of applying the new policy to all prior periods
2 Adjust the opening balance of retained earnings for the earliest period presented
3 Restate comparative figures as if the new policy had always applied
4 Disclose the nature of the change, the reasons, and the amounts involved

Disclosure of Changes

When a policy is changed, the notes must disclose:

Accounting Policies and the Audit

Auditors pay close attention to accounting policies because:

The audit report will refer to the accounting policies note and may include a key audit matter if a policy involves significant judgement.

Accounting Policies vs Accounting Estimates

Feature Accounting policy Accounting estimate
What it is The principle or method applied A judgement about uncertain amounts
Examples FIFO vs weighted average; straight-line vs reducing balance Useful life of an asset; doubtful debt provision
Change treatment Retrospective restatement Prospective adjustment
Disclosure on change Full disclosure with restated comparatives Disclose nature and effect of change

Understanding the distinction is important because the accounting treatment of changes differs significantly. A policy change requires restating prior periods; an estimate change does not.

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