2026 Commercial Law, Q19

Ramel was assessed by the Bureau of Internal Revenue (BIR) Pasig for deficiency income taxes of PHP 300 million, inclusive of penalties amounting to PHP 100 million. In filing his protest requesting for reinvestigation, Ramel raised, among others, that the Formal Assessment Notice recently issued by the BIR was null and void as the previous examiner handling the said tax audit was already re- assigned to BIR Taguig and the current replacement examiner was not included in the Letter of Authority issued by the BIR last year. Two weeks ago, the BIR Regional Director denied the said protest letter. One week ago, the BIR Regional Director issued a writ of garnishment against all of Ramel’s bank accounts. Ramel, through counsel, then filed a Petition for Review with an Urgent Motion to Suspend Collection of Tax with the Court of Tax Appeals (CTA) Division. The CTA Division then issued a Resolution suspending the collection of tax provided that Ramel files a cash bond amounting to PHP 200 million or surety bond equivalent to PHP 300 million pursuant to Section 11 of the CTA Law, which provides: “No appeal taken to the CTA from the decision of the Commissioner of Internal Revenue . . . shall suspend the payment, levy, distraint, and/or sale of any property of the taxpayer for the satisfaction of his tax liability as provided by existing law: Provided, however, . . . the Court at any stage of the proceeding may suspend the said collection and require the taxpayer either to deposit the amount claimed or to file a surety bond for not more than double the amount with the Court.” Was the CTA Division correct in requiring a cash or surety bond from Ramel? Explain.

Quick check

Under Section 13 of the National Internal Revenue Code, what is the legal effect of a tax audit conducted by a replacement revenue officer who is not named in a valid Letter of Authority?

Under Section 11 of Republic Act No. 1125, as amended, when may the Court of Tax Appeals suspend the collection of taxes without requiring the taxpayer to post a cash or surety bond?

Why did the Court of Tax Appeals Division err in requiring a cash or surety bond from Ramel as a condition to suspend the BIR's tax collection efforts?

What is the statutory purpose of a Letter of Authority issued by the Bureau of Internal Revenue in a tax audit?

Choices available with full access.

What is the legal status of summary collection measures, such as a writ of garnishment, executed by the BIR on the basis of a patently void tax assessment?

Choices available with full access.

Unlock the full Commercial and Tax Law answers

Learn more about these topics

1. Letter of Authority
A Letter of Authority is a mandatory statutory requirement under Section 13 of the Tax Code that grants a specific revenue officer the legal authority to examine a taxpayer's books and assess tax liabilities. When the original revenue officer assigned to a tax audit is replaced, reassigned, or transferred, the replacement revenue officer must be granted a new Letter of Authority or a formal reassignment notice reauthorizing them. An audit conducted or finalized by a revenue officer who lacks authority under a valid Letter of Authority is completely void, violating the taxpayer's statutory right to due process.

2. Suspension Bond
Under Section 11 of Republic Act No. 1125, an appeal to the Court of Tax Appeals does not automatically suspend tax collection, but the court may suspend collection efforts upon requiring the taxpayer to post a cash or surety bond. However, jurisprudence establishes an exception: the CTA may dispense with the bond requirement when the assessment is patently void, illegal, or issued in flagrant violation of due process. Conditioning the suspension of collection on a substantial bond when the underlying tax assessment is void ab initio causes irreparable injury and constitutes grave abuse of discretion by the court.

3. Void Assessments
Tax assessments must strictly comply with statutory procedures and administrative due process to be legally valid and enforceable against taxpayers. An assessment generated from an unauthorized audit carries no legal weight, and summary collection efforts, such as distraint, levy, or bank garnishment based on a void assessment, are completely invalid. Because a void assessment cannot produce legal effects or form the foundation for a valid tax liability, the government cannot enforce collection. Taxpayers are entitled to immediate judicial relief against coercive collection measures stemming from patently illegal tax assessments without incurring onerous financial burdens.

About these questions and answers
The questions reproduced here are the official texts of the Philippine Bar Examinations, published by the Supreme Court. They are reproduced for study purposes.The suggested answers are the author’s own.

They are not official answers, have no connection with the Supreme Court, the Office of the Bar Confidant, or any bar review institution, and are not endorsed by any of them. Official answer keys, where released, should be preferred over anything here.Nothing on this page is legal advice, and reading it creates no lawyer-client relationship. Do not rely on any suggested answer in an actual legal matter. Consult counsel on your own facts.Suggested answers reflect the law and jurisprudence the author considers applicable as of the date shown.

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