Sample Protest: Letter Tax Assessment Philippines

A protest letter serves as a formal communication to the BIR expressing the taxpayer's disagreement with the issued tax assessment. It is a critical document that outlines the reasons for the protest, the relevant facts, and the relief sought by the taxpayer. The letter should be concise, clear, and supported by documentary evidence.

For simple, small-value assessments (e.g., under Php 100,000), a well-written protest letter with clear receipts may suffice. However, for large assessments or complex legal issues (prescription, fraud allegations, constitutional issues), hire a tax lawyer or a BIR-accredited tax agent (CTA) . The BIR’s legal division will rigorously challenge errors in your protest.

Once the protest is filed, the BIR must act within strict deadlines:

| Step | Action | Deadline | |------|--------|----------| | 1 | Filing of valid protest | Within 30 days from receipt of FLD/FAN | | 2 | Submission of supporting documents | Within 60 days from filing of protest (may be extended for justifiable reason) | | 3 | BIR decision on protest (final decision) | Within 180 days from date of submission of documents | | 4 | Appeal to Court of Tax Appeals (CTA) | Within 30 days from receipt of BIR’s final decision |

Important: If the BIR fails to decide within 180 days, the taxpayer may appeal to the CTA within 30 days after the expiry of the 180-day period (doctrine of inaction). Failure to appeal results in the assessment becoming final.

Below is a sample letter of protest for a deficiency income tax assessment. Customize the bracketed information as needed.

[Your Company Name / Your Full Name]
[Tax Identification Number (TIN)]
[Registered Address]
[Contact Number / Email] sample protest letter tax assessment philippines

[Date]

The Revenue District Officer
Revenue District No. [RDO Code]
Bureau of Internal Revenue
[City/District Address]

RE: Protest to Formal Letter of Demand and Final Assessment Notice
Assessment No.: [BIR Form/FAN Number]
Tax Period: [Year/Month, e.g., Calendar Year 2022]

Dear Sir/Madam:

I/We, [Name of Taxpayer], respectfully protest the above-captioned Formal Letter of Demand (FLD) and Final Assessment Notice (FAN) received on [date of receipt] (copy attached as Annex “A”), which assessed me/us for deficiency [Income Tax / VAT / Percentage Tax / Withholding Tax] in the amount of [PHP amount], inclusive of surcharges and interests.

Grounds for Protest:

Relief Sought:
In view of the foregoing, I/we respectfully request the cancellation and withdrawal of the subject assessment. Alternatively, I/we request a reinvestigation and recomputation to reflect only the correct tax liability, if any.

I/we submit herewith the following supporting documents:

I/we protest under oath that the facts stated herein are true and correct to the best of my/our knowledge.

Thank you for your favorable action.

Respectfully submitted,

[Signature of Taxpayer or Authorized Representative]
[Printed Name]
[Position/Title, if corporate taxpayer] A protest letter serves as a formal communication

SUBSCRIBED AND SWORN before me this [day] of [month], [year], affiant exhibiting to me his/her government-issued ID [ID number and date of issue].

Notary Public
[Name]

The BIR is a bureaucratic machine governed by strict deadlines. Under Republic Act No. 11213 (the TRAIN Law) and the National Internal Revenue Code (NIRC), you have 30 days from receipt of the Final Assessment Notice to file a written protest.

If you fail to file a protest within this period, the assessment becomes final, executory, and demandable. This means the BIR can legally enforce collection through bank levies, asset garnishment, and even criminal charges without further notice.

A well-crafted protest letter does three things:

Under Section 228 of the NIRC, as implemented by Revenue Regulations (RR) No. 12-99 and RR No. 18-2013, you have 30 days from receipt of the Formal Assessment Notice to file a written protest. This is a mandatory, non-extendible period. [Your Company Name / Your Full Name] [Tax

Your protest must be either:

If you fail to file within 30 days, the assessment becomes final, executory, and unappealable. The BIR can then issue a Warrant of Distraint and Levy or file a civil collection case in court.