Expenses in Taxation

OVERVIEW OF EXPENSES IN TAXATION

General Principles of Deductibility

Not all business expenses are automatically allowable for tax purposes. During a tax audit, one of the first areas examined by LHDN is whether the expenses claimed meet the fundamental deductibility requirements under the Income Tax Act 1967.

To qualify as a deduction, an expense must be wholly and exclusively incurred in the production of income. This means the expense must have a clear business purpose and a direct connection to revenue-generating activities. Expenses that contain personal elements, or are not directly related to business operations, are generally disallowed (Malaysia, 1967).

From an audit perspective, this principle is often a major source of adjustment. Where an expense serves both business and personal purposes, failure to properly justify or apportion the cost may result in the entire amount being disallowed. This makes documentation and clear business justification critical during an audit (Inland Revenue Board of Malaysia, 2019).

Revenue and Capital Expenditure

A key issue frequently identified during tax audits is the incorrect classification between revenue and capital expenditure.

Revenue expenditure refers to costs incurred in the normal course of business operations, such as staff salaries, rental payments, utilities, and routine maintenance. These are generally deductible in the period they are incurred.

In contrast, capital expenditure relates to costs incurred to acquire, improve, or extend the useful life of long-term assets. These expenses are not immediately deductible. Instead, they are subject to capital allowance treatment under the tax legislation (Malaysia, 1967).

Misclassification between these two categories is a common audit trigger. Expenses that should be capitalised but are incorrectly treated as revenue expenses can lead to significant tax adjustments, as they directly reduce taxable income in the current period (Inland Revenue Board of Malaysia, 2019; Noraza Mat Udin, 2022).

Non-Deductible Expenses Under Tax Law

In addition to the general deductibility rules, certain expenses are specifically disallowed under tax law, regardless of their business relevance.

These include personal or domestic expenses, fines and penalties, capital withdrawals, and certain types of entertainment expenses that exceed allowable limits. During an audit, such expenses are routinely identified and removed from the tax computation (Malaysia, 1967).

From a practical standpoint, one of the most common issues arises when taxpayers fail to distinguish between allowable and non-allowable expenses. Without proper classification and supporting documentation, even genuine business-related expenses may be challenged and disallowed by LHDN (Inland Revenue Board of Malaysia, 2015; Inland Revenue Board of Malaysia, 2019).

Practical Application in Tax Assessment

Understanding these principles is essential, as they form the foundation of how expenses are assessed during a tax audit.

In practice, LHDN does not rely solely on accounting treatment. Each expense is evaluated based on its nature, purpose, and supporting evidence. Expenses that are not properly supported, incorrectly classified, or not aligned with tax requirements may result in adjustments to the reported income (Inland Revenue Board of Malaysia, 2019).

These adjustments can lead to additional tax liabilities and penalties, particularly where the errors are systematic or involve significant amounts (Malaysia, 1967; Inland Revenue Board of Malaysia, 2019).

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