FINANCIAL REPORTING 3
IAS 8 STUDY NOTES
Accounting Policies, Changes in Accounting Estimates & Errors
Beginner-Friendly | Definitions · Examples · Exam Technique
Level 3 Accounting · Based on IASB Standards
, 📖 WHAT'S INSIDE THESE NOTES
IAS 8 covers THREE distinct but related topics. Each topic has its own rules about how to account
for it and how to present it. Work through each section in order.
Section Topic
SECTION 1 Background & Scope – What is IAS 8 and why does it exist?
SECTION 2 Accounting Policies – What they are, how to select them, and how to
change them
SECTION 3 Changes in Accounting Estimates – What they are and how to apply them
SECTION 4 Prior Period Errors – What they are and how to correct them
SECTION 5 Retrospective vs Prospective – The BIG distinction you MUST know
SECTION 6 Disclosure Requirements – What must appear in the notes
SECTION 7 Exam Technique & Standard-Flagging Guide
SECTION 8 Quick Revision Cheat Sheet
, SECTION 1: BACKGROUND & SCOPE
1.1 What is IAS 8?
IAS 8 – Accounting Policies, Changes in Accounting Estimates and Errors is an IFRS standard that
tells you:
• How to SELECT and APPLY accounting policies
• How to account for CHANGES to those policies
• How to account for CHANGES IN ACCOUNTING ESTIMATES
• How to CORRECT mistakes (prior period errors) that were made in previous financial
statements
Without IAS 8, companies could quietly change how they account
for things to make their financial statements look better. IAS 8
Why it matters
ensures that changes are clearly disclosed and consistently applied,
so users can COMPARE financial statements over time.
1.2 The Three Big Topics at a Glance
Topic Simple Description How It Is Applied
ACCOUNTING The specific rules, principles, If changed → RETROSPECTIVE
POLICIES bases, and practices a company (restate prior years)
uses when preparing financial
statements.
CHANGES IN Adjustments to carrying amounts of Always PROSPECTIVE (current
ACCOUNTING assets/liabilities because new year and future only)
ESTIMATES information has come in or
circumstances have changed.
PRIOR PERIOD Mistakes made in previous financial RETROSPECTIVE correction
ERRORS statements (wrong numbers, (restate prior years)
omissions, fraud, misapplication of
policies).
⚠️
THE MOST TESTED EXAM AREA IN IAS 8
The difference between an ACCOUNTING POLICY and an ACCOUNTING ESTIMATE is
heavily tested.
A change in accounting policy → retrospective (redo the past).
A change in accounting estimate → prospective (change going forward only).
Getting this wrong will cost you many marks. Study Section 5 carefully!
IAS 8 STUDY NOTES
Accounting Policies, Changes in Accounting Estimates & Errors
Beginner-Friendly | Definitions · Examples · Exam Technique
Level 3 Accounting · Based on IASB Standards
, 📖 WHAT'S INSIDE THESE NOTES
IAS 8 covers THREE distinct but related topics. Each topic has its own rules about how to account
for it and how to present it. Work through each section in order.
Section Topic
SECTION 1 Background & Scope – What is IAS 8 and why does it exist?
SECTION 2 Accounting Policies – What they are, how to select them, and how to
change them
SECTION 3 Changes in Accounting Estimates – What they are and how to apply them
SECTION 4 Prior Period Errors – What they are and how to correct them
SECTION 5 Retrospective vs Prospective – The BIG distinction you MUST know
SECTION 6 Disclosure Requirements – What must appear in the notes
SECTION 7 Exam Technique & Standard-Flagging Guide
SECTION 8 Quick Revision Cheat Sheet
, SECTION 1: BACKGROUND & SCOPE
1.1 What is IAS 8?
IAS 8 – Accounting Policies, Changes in Accounting Estimates and Errors is an IFRS standard that
tells you:
• How to SELECT and APPLY accounting policies
• How to account for CHANGES to those policies
• How to account for CHANGES IN ACCOUNTING ESTIMATES
• How to CORRECT mistakes (prior period errors) that were made in previous financial
statements
Without IAS 8, companies could quietly change how they account
for things to make their financial statements look better. IAS 8
Why it matters
ensures that changes are clearly disclosed and consistently applied,
so users can COMPARE financial statements over time.
1.2 The Three Big Topics at a Glance
Topic Simple Description How It Is Applied
ACCOUNTING The specific rules, principles, If changed → RETROSPECTIVE
POLICIES bases, and practices a company (restate prior years)
uses when preparing financial
statements.
CHANGES IN Adjustments to carrying amounts of Always PROSPECTIVE (current
ACCOUNTING assets/liabilities because new year and future only)
ESTIMATES information has come in or
circumstances have changed.
PRIOR PERIOD Mistakes made in previous financial RETROSPECTIVE correction
ERRORS statements (wrong numbers, (restate prior years)
omissions, fraud, misapplication of
policies).
⚠️
THE MOST TESTED EXAM AREA IN IAS 8
The difference between an ACCOUNTING POLICY and an ACCOUNTING ESTIMATE is
heavily tested.
A change in accounting policy → retrospective (redo the past).
A change in accounting estimate → prospective (change going forward only).
Getting this wrong will cost you many marks. Study Section 5 carefully!
