IFRS 18: Presentation and Disclosure in Financial Statements

A Complete Analysis and Clear Distinction from IAS 1

Introduction: A Paradigm Shift in the IFRS Landscape

Financial reporting has been under growing pressure for transparency, consistency and comparability across global capital markets. International companies must produce financial statements that not only comply with accounting rules but also reflect the complexity of modern business models.

IAS 1 has long served as the foundation for presenting financial statements under IFRS, offering broad flexibility in structure, wording and interpretation. While this principles-based approach was useful in the early stages of IFRS adoption, it gradually became clear that this flexibility led to inconsistencies, reduced comparability and variable communication quality between companies and their investors.

With IFRS 18 – Presentation and Disclosure in Financial Statements, the IASB introduces a standard that fundamentally restructures performance reporting. This is not an incremental improvement of IAS 1. It is a conceptual realignment.

The new standard addresses the long-standing weaknesses of IAS 1:

Inconsistent definitions of operating performance Lack of standardization in the statement of profit or loss Widely varying use of management performance measures Limited comparability across industries and peers Opaque linkage between operations, investments and financing

Why IFRS 18 Became Necessary: Structural Weaknesses of IAS 1

IAS 1 was developed in a different era of IFRS. Its purpose was to create a broad conceptual framework, allowing companies to present their financial statements in a way that reflects their business model. As IFRS matured and new standards—such as IFRS 9, IFRS 15, IFRS 16 and IFRS 17—were introduced, the limitations of IAS 1 became increasingly visible.

1. Excessive Flexibility in the Statement of Profit or Loss IAS 1 allowed multiple presentation formats, optional subtotals and a wide range of groupings. This resulted in:

Two companies in the same industry presenting fundamentally different P&L structures Limited ability for analysts to compare operating performance Inconsistent classification of operating versus investment versus financing activities

2. Lack of Rules for Management Performance Measures Companies used Alternative Performance Measures (APMs) such as EBIT, EBITDA, adjusted EBIT, underlying profit or recurring EBITDA. Under IAS 1:

Definitions varied widely Reconciliations were often unclear or incomplete Adjustments were sometimes selective or marketing-driven Consistency across periods was weak

3. Missing Link Between Management Reporting and IFRS Reporting Internal steering logic—segment reporting, budgeting, forecasting—often differed significantly from the external IFRS presentation. IAS 1 did not create a bridge between these worlds. IFRS 18 does.

The New Structure of the Statement of Profit or Loss under IFRS 18

The core of IFRS 18 is the introduction of mandatory categories for income and expenses:

Operating

Investing Financing

This category structure creates a common global language for financial performance.

1. Operating Category – The Core of the Business Model The Operating category captures all income and expenses arising from the company’s main business activities. Under IFRS 18:

Operating activities must be explicitly defined Interest from lease liabilities may be operating if leasing is integral to the business model Operating classification must be consistent with internal management reporting Reclassification to achieve desired margins is no longer permitted

2. Investing Category – Capital Allocation Transparency Investing includes returns and expenses from assets not used in main operations. Examples:

Dividends from non-core investments Fair value changes in financial assets held for investment Gains/losses from disposals of non-operating assets

3. Financing Category – A Sharper View of Capital Structure Financing includes:

Interest expenses on borrowings Interest income from financial assets held for financing purposes Effects reflecting the company’s capital structure

Management-Defined Performance Measures: New Obligations

IFRS 18 introduces strict disclosure rules for Management-Defined Performance Measures (MDPMs). Companies must:

Define each MDPM precisely Disclose the components included/excluded Reconcile MDPMs to IFRS subtotals Explain why the measure is useful for decision-making Apply the definition consistently period-to-period

This ends the era of “adjusted” metrics without justification.

Effects on the Balance Sheet, Statement of Comprehensive Income and Cash Flow Statement

1. Balance Sheet (Statement of Financial Position) IFRS 18 enhances structure by:

Clarifying minimum line items Introducing more precise grouping logic Reinforcing consistency between balance sheet classification and P&L categories

2. Statement of Comprehensive Income IFRS 18 strengthens the separation between:

Profit or Loss

Other Comprehensive Income (OCI)

3. Cash Flow Statement IFRS 18 requires a direct mapping between:

Operating cash flows → Operating category Investing cash flows → Investing category Financing cash flows → Financing category

IFRS 18 vs. IAS 1: Key Differences

Topic

IAS 1 IFRS 18

Structure of P&L

Flexible Mandatory categories

Operating activities

Broad interpretation Strict definition + justification

Interest classification

Often inconsistent Operating vs financing mandatory distinction

Management metrics

Optional explanation Full reconciliation and definition required

Comparability

Limited Significantly improved

Industry-Specific Challenges

1. Industrial & Engineering Leasing is operational; IFRS 16 interest often becomes Operating.

2. Service Industries Complex cost structures require detailed reclassification.

3. Automotive Segment logic, steering KPIs and IFRS categories must align fully.

ERP and Consolidation System Adjustments

IFRS 18 requires deep restructuring of:

Chart of accounts Cost center structures Profit center logic Mapping in SAP, Oracle, Group Reporting, FCCS, BlackLine Consolidation workflows

Many companies will need complete re-mapping, not minor tweaks.

Audit Risks under IFRS 18

Auditors will closely scrutinize:

Definition of operating activities Classification of interest Consistency of category allocation Reconciliation of MDPMs Disclosure completeness

Weak documentation = high audit risk.

Successful Implementation: A Cross-Functional Effort

Companies must:

Start early Involve Accounting, Controlling, Treasury, IR, IT Define operating activities rigorously Retrain staff Restate comparative figures Adjust systems and interfaces

This is not a finance-only project. It is an organizational transformation.

Conclusion: IFRS 18 Is the New Language of Financial Communication

IFRS 18 marks the most significant change in IFRS reporting structure in decades. It:

Ends the era of flexible, inconsistent presentation Introduces global comparability Enforces transparency in performance measures Aligns internal and external reporting Strengthens investor communication Increases auditability

IFRS 18 does more than restructure reporting — it changes how companies understand their own performance.

If your organization requires support with IFRS 18 implementation, restructuring the statement of profit or loss, defining operating metrics, or SAP/Oracle mapping, I am available as an Interim Finance Manager to guide you through this transformation.