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May 15, 2026

Article 141 mandates that all tax returns must be accompanied by the taxpayer's formal 'accounts' for the relevant period. These accounts include the balance sheet, profit and loss account, and all supplementary notes and schedules. Crucially, the Law requires that these financial statements must be audited by a legally licensed auditor in Oman. This requirement ensures the reliability of the financial data used for tax assessments and aligns Oman's tax practices with international standards of corporate transparency and financial oversight, particularly for entities of significant size or complex structure.

Part 5 - Tax Assessment and Collection

Chapter 1 - The Return

Section 2 - Income Tax Return

Article 141

[GTL Notes: Financial Statements]

The taxpayer must attach to the income tax return prepared for any tax year their accounts for the accounting period or periods ending in that tax year.

For the purpose of applying the provision of this Article, 'accounts' means the financial statements, particularly the balance sheet, the profit and loss account, and the notes, data, and schedules attached or supplementary thereto. These accounts must be audited by an auditor legally licensed to practice the accounting and auditing profession in Oman.