Every registered freelancer or small business owner in the Philippines is assigned a BIR branch code—a small but crucial detail that identifies your Revenue District Office (RDO).

This code is often required when filing taxes, submitting forms, or verifying your registration online. Yet, many freelancers struggle to locate it, especially when filling out BIR forms, online filing tools, or eBIRForms.

If you’ve ever wondered how to find or check your BIR branch code, this guide will walk you through exactly where to look, why it matters, and how to verify it accurately.

What Is a BIR Branch Code?

A BIR branch code is a three-digit number that identifies the Revenue District Office (RDO) where your TIN (Taxpayer Identification Number) is registered.

For example:
If your TIN is 123-456-789-000, the “000” at the end is your branch code.

This code helps the BIR track where your tax records, returns, and official transactions are handled.

Why the BIR Branch Code Matters

Your BIR branch code determines:

  • Which RDO manages your records and compliance.
  • Where you should file your tax forms and payments.
  • How your TIN and BIR registration are verified in the system.

If you use the wrong branch code when filing your ITR or registering online, your submission may be rejected, misrouted, or delayed. That’s why every freelancer should know their exact RDO and branch code before filing taxes or updating information.

How to Find Your BIR Branch Code

1. Check Your BIR Certificate of Registration (Form 2303)

Your BIR Form 2303 shows your registration details, including your TIN and RDO. The branch code is usually found:

  • After your TIN (e.g., 123-456-789-000)
  • Or beside your RDO Code on the upper right corner of the form.

If you have a printed or digital copy of your COR, this is the fastest way to find it.

2. Verify Through BIR Chatbot Revie

The BIR Chatbot Revie, available on the official BIR website, allows you to verify your RDO and registration details by simply providing your full name and TIN.

Steps:

  • 1. Go to bir.gov.ph.
  • 2. Open Chatbot Revie (bottom right of the homepage).
  • 3. Type “RDO Verification.”
  • 4. Enter your full name and TIN when prompted.
  • 5. The chatbot will display your RDO number, which corresponds to your BIR branch code.

3. Call the BIR Hotline

If you can’t access Chatbot Revie, call the BIR Customer Assistance Division at (02) 8538-3200 or your nearest RDO.

Provide your full name, birthdate, and TIN to confirm your registered RDO. The officer will then tell you your BIR branch code.

4. Visit Your Registered RDO

If you prefer in-person verification, visit your Revenue District Office and bring one valid ID. You can ask for your RDO code or branch code from the officer-in-charge.

This is also helpful if you’re planning to update your RDO, change address, or transfer registration.

When You’ll Need Your BIR Branch Code

Freelancers and professionals often need the branch code for the following:

  • Filing ITR or quarterly tax forms online.
  • Registering in eBIRForms or Taxumo.
  • Paying through eFPS or online banking channels.
  • Updating or transferring your BIR registration.
  • Applying for business closure or permit renewal.

Keeping this code handy ensures smoother, faster, and error-free tax filing every time.

Tips for Freelancers and Self-Employed Professionals

  • Keep your COR accessible. Always save a scanned copy of your BIR Form 2303 in your cloud storage.
  • Note your RDO code and branch code in your accounting records.
  • Avoid using another person’s TIN or RDO code. Always verify before submitting forms.
  • Update your RDO if you’ve moved to a new city or province.
  • Use official BIR tools only. Never rely on unverified websites for RDO or branch code information.
Find BIR Branch Code — Powerful, Essential Freelancer Guide

Your BIR branch code may look like a small number, but it plays a major role in ensuring your taxes are filed correctly. It identifies where you’re registered, helps the BIR process your forms faster, and protects your tax record from errors.

By checking your BIR Form 2303, using Chatbot Revie, or contacting your RDO, you can easily find and verify your branch code anytime.

Stay informed and proactive—small details like your branch code make a big difference in your tax compliance journey.

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