Accounting changes and error corrections

Area 3: Select Transactions (25-35%)

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Topics

Changes in accounting principle
Changes in estimate and error corrections

Lessons

Accounting Changes and Error CorrectionsFree

Study Frameworks

Accounting Changes and Error Corrections (ASC 250)

ASC 250 — Accounting Changes

Change in Accounting Principle

Retrospective application (restate prior periods)

Cumulative-effect adjustment to opening retained earnings

Examples: FIFO→weighted average, new revenue standard

Change in Accounting Estimate

Prospective application only (current + future periods)

No restatement of prior periods

Examples: useful life, salvage value, bad debt %

Change in Reporting Entity

Retrospective application (restate all prior periods)

Examples: new subsidiary consolidated, entity restructuring

Error Correction

Prior period adjustment (restate affected periods)

Adjust opening retained earnings of earliest period

Not a change — it is a correction of a mistake

Accounting Change Classification (ASC 250)

Is this a correction of an error in previously issued financial statements?

Yes

Error correction — prior period adjustment: restate affected prior periods and adjust opening retained earnings

Is this a change from one acceptable accounting principle to another (e.g., FIFO to weighted average)?

Yes

Is it impracticable to determine the cumulative effect on all prior periods?

Yes

Apply prospectively from the earliest period practicable

Retrospective application — restate all prior periods presented and adjust opening retained earnings for cumulative effect

Is this a change in an accounting estimate (e.g., useful life, salvage value, warranty %)?

Yes

Prospective application — adjust current and future periods only. No restatement of prior periods

Change in reporting entity — retrospective application: restate all prior periods as if the new entity structure had always existed

Accounting Changes and Error Corrections — Treatment Summary

Type	Application Method	Prior Periods	Current Period Effect
Change in accounting principle	Retrospective	Restate all presented periods	Cumulative-effect adjustment to opening RE
Change in accounting estimate	Prospective	No restatement	Adjust current and future periods only
Change in estimate effected by change in principle	Prospective	No restatement	Treated as change in estimate (prospective)
Change in reporting entity	Retrospective	Restate all presented periods	Present as if new entity always existed
Error correction	Restatement	Restate affected periods	Prior period adjustment to opening RE

PREPPrinciple → Retrospective, Estimate → Prospective

The two core rules for accounting changes under ASC 250. Changes in principle go backward (retrospective restatement). Changes in estimate go forward (prospective adjustment). Error corrections are restatements (like principle). A change in estimate effected by a change in principle is treated as prospective.

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