Beyond the Balance Sheet: Unpacking the Friction Points of IFRS 16 Leases

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Beyond the Balance Sheet: Unpacking the Friction Points of IFRS 16 Leases

• 16 July 2026
• IFRS
• South African Accounting Academy

When the International Accounting Standards Board (IASB) introduced IFRS 16 Leases, the primary objective was clear and noble: eliminate off-balance sheet financing. The standard sought to bring transparency to financial statements by forcing lessees to recognize a right-of-use (ROU) asset and a corresponding lease liability for almost all leasing arrangements. No longer could massive airline fleets, retail networks, or corporate real estate portfolios be hidden in the footnotes of operating lease disclosures.

Yet, years after its implementation, IFRS 16 remains one of the most practically challenging and administratively demanding accounting standards for South African finance teams. Moving a lease onto the balance sheet is not a one-time setup exercise; it is an ongoing accounting cycle that introduces massive subjectivity, creates extensive administrative friction, and completely divorces financial reporting from South African Revenue Service (SARS) tax realities. For entities navigating full IFRS versus those utilizing IFRS for SMEs, the standard has also created a permanent structural divergence in how corporate balance sheets are analyzed and compared.

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The Core Divergence: Full IFRS vs. IFRS for SMEs

One of the most significant macro challenges in the South African corporate landscape is the total lack of alignment between full IFRS and IFRS for SMEs regarding lease accounting. When the IASB finalized the Third Edition of IFRS for SMEs, many expected the ROU asset model of IFRS 16 to be integrated to match the full IFRS framework. However, the IASB deferred this integration, choosing instead to wait for a comprehensive post-implementation review of IFRS 16.

As a result, a massive structural rift remains between the two frameworks:

• Full IFRS: Lessees must bring almost all leases onto the balance sheet, reflecting depreciating ROU assets and interest-bearing lease liabilities. This increases apparent debt levels, replaces the old straight-line rental expense with depreciation and interest, and introduces daily administrative complexity.
• IFRS for SMEs: The old IAS 17 model still applies. Lessees continue to split agreements into finance leases (on-balance sheet) and operating leases (off-balance sheet). Operating lease payments are simply straight-lined and expensed as operating costs.

This divergence means that two South African companies with identical leasing profiles can present completely different balance sheets and financial ratios depending solely on their chosen financial reporting framework. Analysts and financial directors must maintain a deep understanding of these differences to compare performance accurately.

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Three Key Friction Points in IFRS 16 Execution

While the basic theory of capitalizing a lease is straightforward, three major friction points consistently cause "accounting grief" for South African finance departments during practical execution.

1. Identifying the Lease: When is an Asset Actually "Identified"?

Under IFRS 16, a contract is, or contains, a lease only if it conveys the right to control the use of an identified asset for a period of time in exchange for consideration. If the supplier holds "substantive substitution rights"—the practical ability to substitute the asset with an alternative throughout the period and benefit economically from doing so—the contract fails the lease definition.

This creates a high level of subjectivity. For example, in warehouse logistics, office hot-desking, or corporate vehicle fleet management, determining whether an asset is genuinely "ring-fenced" requires deep contract analysis. If the supplier can swap the delivery trucks or storage spaces at their discretion, the agreement is accounted for as a service contract under IFRS 15 rather than a capitalized lease under IFRS 16.

2. The Subjectivity of the Discount Rate

To measure a lease liability, payments must be discounted. The standard requires the use of the interest rate implicit in the lease. If that rate cannot be readily determined, the lessee must use its Incremental Borrowing Rate (IBR).

Determining a legally and economically defensible IBR is a highly subjective exercise. The IBR must reflect what the specific lessee would have to pay to borrow under similar terms, in the same currency, with similar security, in a similar economic environment. Calculating this rate requires the finance team to evaluate:

• The parent entity’s credit risk versus a subsidiary lessee's credit risk.
• The nature and quality of the underlying asset serving as security.
• The term risk associated with a 5, 10, or 20-year agreement.
• The macroeconomic environment (e.g., current South African prime rate and inflation).

Using an arbitrary rate can lead to material misstatements on the balance sheet, drawing immediate scrutiny from external auditors.

3. SARS and the Deferred Tax Nightmare

The tax treatment of leases in South Africa creates an immediate, permanent division between financial accounting and tax compliance. From a tax perspective, SARS does not recognize IFRS 16.

• Non-Deductibility of IFRS 16 Elements: Because SARS does not treat the lease as creating an asset the lessee owns, the depreciation of the ROU asset and the unwinding of interest on the lease liability are not recognised by SARS and are not deductible for income tax purposes.
• Deductibility of Lease Payments: Instead, SARS allows the deduction of the actual lease payments, treating the rental as a replacement for depreciation and wear and tear. Where the contract is structured so that ownership transfers, for example as an Instalment Credit Agreement, wear-and-tear allowances apply once the asset becomes the lessee's.
• Deferred Tax Complexity: This mismatch between the accounting carrying amounts and the tax base, which for the lessee is effectively nil because SARS does not recognise the asset or liability, gives rise to deferred tax. As Caryn Maitland explains, because the lessee and SARS view the same lease differently, the entity ends up creating deferred tax against itself, and recognises it on both the right-of-use asset and the lease liability. The result is a complex, ongoing dual record-keeping process.

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Practical Efficiency: The How-To for Your Practice

To streamline your lease accounting and keep your audits clean, implementation teams should adopt these practical workflows:

• Establish a Centralized Lease Register: Document every contract, noting renewal options, termination penalties, escalation clauses (e.g., CPI linkages), and initial direct costs.
• Automate Lease Amortization Schedules: Avoid manual Excel sheets for multi-asset portfolios. Use robust accounting software that automatically calculates subsequent carrying values, monthly depreciation, and liability interest.
• Formalize the IBR Methodology: Work with treasury or financial advisors to document a standardized, auditable methodology for determining incremental borrowing rates. Keep a signed-off file of the current rates and the economic indicators used to calculate them.
• Implement Strict Dual Record-Keeping: Keep clear, separate ledgers for accounting and tax computations to ensure that IFRS 16 accounting entries are correctly added back for tax purposes, and actual cash payments are correctly deducted in the tax computation.
• Regularly Reassess Lease Terms: IFRS 16 requires a lessee to remeasure the lease liability whenever there is a change in the estimated lease term (e.g., if a renewal option becomes "reasonably certain" to be exercised) or a change in future lease payments resulting from a change in an index or rate. Set up quarterly review triggers to capture these modifications before year-end reporting.

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The Reality Check: Risks and Governance

Failing to implement a robust, auditable control framework around IFRS 16 exposes an organization to significant operational, financial, and governance risks.

From an audit perspective, lease liabilities are highly material and attract intense scrutiny. Incorrect calculations, misapplied discount rates, or failure to identify renewal options that are "reasonably certain" to be exercised will lead to restatements, audit adjustments, and potential qualification of financial statements. Furthermore, because these balances increase reported debt, errors in the lease liability distort the way the balance sheet is analysed and compared.

From a tax governance perspective, failing to correctly reverse the IFRS 16 depreciation and interest charges in the tax computation, or incorrectly claiming these as tax deductions, will result in immediate SARS audit flags, leading to underpayment penalties and interest charges.

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The Future: Continuous Compliance and Oversight

IFRS 16 is not a standard that can be managed on a "set-and-forget" basis. It demands active, continuous oversight and a deep alignment between legal, procurement, corporate finance, and tax departments. Every new lease contract, contract modification, renewal, or renegotiated rate triggers a fresh accounting event. As businesses adapt to volatile interest rates and changing real estate needs, mastering the financial, tax, and administrative realities of lease accounting is a core competency for any modern financial leader.

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Ready to Master Your Lease Accounting?

To gain the practical skills, technical confidence, and calculations needed to handle IFRS 16 seamlessly in your financial statements and tax returns, access our comprehensive on-demand webinar.

Presented by Caryn Maitland CA(SA) RA, this practical session breaks down lessee and lessor accounting, demonstrates step-by-step Excel calculation examples, and walks you through complex deferred tax computations.

Click here to find out more and register for the on-demand webinar

This masterclass is based on insights from Caryn Maitland's highly acclaimed SAAA webinar series, designed to help South African accounting and auditing professionals stay ahead of compliance shifts.

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About the South African Accounting Academy (SAAA)

The South African Accounting Academy (SAAA) is a leading continuing professional development (CPD) and educational provider for South African accounting, auditing, and tax professionals. SAAA offers comprehensive formal qualifications, occupational certificates, short courses, and ongoing CPD programs designed to keep your skills sharp, your practices compliant, and your career moving forward.

For more information, visit https://accountingacademy.co.za.

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