2017 Taxation Law, Q9

Upon his retirement, Alfredo transferred his savings derived from his salary as a marketing assistant to a time deposit with AAB Bank. The bank regularly deducted 20% final withholding tax on the interest income from the time deposit.
Alfredo contends that the 20% final tax on the interest income constituted double taxation because his salary had been already subjected to withholding tax.
Is Alfredo’s contention correct? Explain your answer. (3%)

Quick check

Is the 20% final withholding tax on time deposit interest income considered unconstitutional direct double taxation on previously taxed salary savings?

Which of the following is an essential element required to constitute unconstitutional direct double taxation?

What type of tax applies to interest income derived by a resident citizen from a Philippine peso bank time deposit under the Tax Code?

How does Philippine tax jurisprudence view indirect double taxation?

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Why is Alfredo's contention that his time deposit interest is subject to double taxation incorrect?

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1. Direct Double Taxation
Direct duplicate taxation occurs when the same subject matter or tax base is taxed twice, by the same taxing authority, within the same jurisdiction, for the same purpose, during the same taxable period, and under the same kind of tax. Direct double taxation is prohibited because it violates constitutional requirements of tax uniformity and equity. For direct double taxation to exist, all six elements must concur concurrently. In the absence of any element, the taxes imposed do not constitute unconstitutional direct double taxation.

2. Interest Income Tax
Interest income derived from bank deposits, yield, or any other monetary benefit from deposit substitutes is subject to a final withholding tax of twenty percent under the National Internal Revenue Code. This final withholding tax is an indirect tax on the passive income generated by the principal deposit, collected at source by the bank acting as withholding agent. The tax attaches specifically to the interest earned from the capital investment, distinct from the income tax previously levied on the principal salary or personal earnings.

3. Indirect Double Taxation
Indirect double taxation arises when two or more taxes are imposed on different subjects or activities, even if originating from the same primary source of funds or capital. Indirect double taxation is permissible under Philippine tax jurisprudence and does not violate constitutional provisions. When salary income previously subjected to compensation withholding tax is deposited in a bank and yields interest income, taxing the resulting interest constitutes allowable indirect double taxation because the taxes apply to separate income-generating events.

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Where a question comes from an earlier examination, the suggested answer applies the law as it now stands, which may differ from the law in force when the question was given, and may therefore differ from what would have been the correct answer at that time. Where the difference is material, the answer notes it.The practice scoring feature measures wording overlap with the suggested answer. It is not a grade, carries no official weight, and says nothing about whether your reasoning is sound.Errors are possible. If you find one, please tell me and I will correct it.Last reviewed: October 2026