TaxSpecialista Consult

BIR Tax Dispute Advisory

Received a Letter of Authority from the BIR?

How you respond in the next few days determines whether you control the audit — or the BIR does.

Get immediate clarity on your deadlines, risks, and next steps — backed by Philippine tax law. Starting at PHP 2,000.

Get Guidance Now
10 days before the BIR issues a first notice
25–50% surcharge on deficiency taxes
PHP 2,000 for immediate guidance

Why You Need to Act Now

A Letter of Authority is not just a letter — it is the start of a formal BIR audit. Here is what is at stake.

Your Deadline Is Already Running

From the moment you receive a Letter of Authority, you have a limited reglementary period to respond. Every day you wait is a day closer to losing your right to present your side.

Silence Means the BIR Decides for You

If you don't respond, the BIR will assess your tax liability based on their best available evidence — not yours. You lose the chance to present records, explain discrepancies, or contest findings.

Penalties Compound Quickly

A 25% surcharge applies for late compliance. If the BIR determines willful neglect, that jumps to 50% — plus interest at the rate prescribed by law. What starts as a manageable audit can become an unmanageable debt.

Early Response Protects Your Rights

Filing a timely acknowledgment letter establishes your cooperative stance and preserves your right to contest any assessment. It's the single most important step in a BIR audit.

What Most Taxpayers Get Wrong

These are the most common mistakes we see — and each one can cost you thousands in unnecessary penalties.

Submitting all records immediately without strategy

Handing over everything at once gives the BIR examiner full control of the narrative. A strategic, phased response protects your position.

Not checking if the LOA is valid

An LOA must be signed by the correct BIR officials, specify the correct taxable year, and match the authorized scope. Invalid LOAs can be challenged.

Ignoring it and hoping it goes away

The BIR does not forget. Ignoring an LOA leads to assessment based on best available evidence — with surcharges and interest — and you lose the right to protest.

Confusing an LOA with other BIR notices

An LOA, Subpoena Duces Tecum, and assessment notices each have different deadlines and require different responses. Using the wrong approach can waive your rights.

How It Works

1

Tell us what you received

Choose a plan and pay via GCash or bank transfer. No credit card needed.

2

Get immediate clarity

Our AI consultant identifies your deadlines, explains the risks, and drafts an acknowledgment letter to establish your cooperative stance with the BIR.

3

Know your next steps

Receive actionable guidance with legal citations. For complex cases, get a warm referral to ETM Tax Agent Office for professional representation.

Choose Your Consultation Plan

Select the plan that best fits your needs

Basic Consultation

PHP 2,000

Immediate guidance on BIR correspondence — deadlines, risks, and draft acknowledgment letters.

  • Deadline and reglementary period calculations
  • Risk assessment for your BIR situation
  • Draft acknowledgment letter (all BIR correspondence types)
  • Legal basis citations (NIRC, RMOs, RRs)
  • 24-hour consultation window (50 messages)
Comprehensive Consultation

PHP 5,000

In-depth analysis with detailed legal citations, defense strategies, and draft compliance letters.

  • Everything in Basic, plus:
  • Full LOA and SDT advisory with defense strategies
  • Draft compliance and SDT response letters
  • Prescription period and waiver validity checks
  • Complexity assessment with tax professional referral
  • 24-hour consultation window (100 messages)

Powered by TaxSpecialista and ETM Tax Agent Office -- specializing in BIR tax dispute resolution and taxpayer representation.

Our AI consultation is built on prevailing Philippine tax laws, revenue issuances, and real case experience. Complex cases are escalated to licensed professionals for hands-on representation.

This service provides AI-generated guidance for informational purposes only. It is not formal legal or tax advice and does not create a professional-client relationship.

Frequently Asked Questions