HOW-TO

How to Verify or Recover Your TIN Number

Forgot your TIN, or not sure if you already have one? Here are the official BIR ways to verify or recover your number safely, without risking a second, illegal TIN.

Step by step

1. Decide what you needAre you confirming a number you already know, or recovering one you forgot? Either way, use official BIR channels and avoid registering again.
2. Try the Mobile TIN Verifier appDownload the official BIR TIN Verifier app, choose TIN Inquiry, and follow the prompts. It is designed for quick checks from your phone.
3. Use ORUS if you have an accountLog in at orus.bir.gov.ph and use its verification features to check your registration status and details.
4. Ask the Revie chatbotOn bir.gov.ph, open the Revie chatbot for guided help on TIN questions and where to go next.
5. Call the BIR Contact CenterRing (02) 8538-3200 during office hours, Monday to Friday. Prepare your full registered name, date of birth, address and a valid ID number for the identity check.
6. Prepare for identity verificationExpect to confirm personal details before staff release your number. This protects you, so cooperate with legitimate BIR verification.
7. Record and safeguard your TINNote your number somewhere private once confirmed. Do not post it online or share it in unsolicited messages.

Why you verify instead of re-applying

People lose track of their TIN all the time. Maybe it was issued by a first employer years ago, or set up for a single transaction and then forgotten. Whatever the reason, the correct response is to verify or recover the number you already have, not to register a new one. The law allows each person only one TIN, and ending up with two is a genuine problem that can carry a fine and other penalties. If you are not certain whether you were ever registered, verifying first is exactly what protects you, and it is far simpler than untangling a duplicate later. For the flip side of this, our guide on how to get a TIN number covers first-time registration.

The official ways to check

The BIR offers several legitimate channels, and you can choose whichever suits you. The BIR Mobile TIN Verifier app is built for quick checks: you download it, select the TIN Inquiry option, and follow the prompts from your phone. If you already have an ORUS account, you can log in at orus.bir.gov.ph and use its verification features to see your registration status. For guided help, the Revie chatbot on bir.gov.ph can point you in the right direction for common TIN questions. And when you would rather speak to someone, the BIR Contact Center answers on (02) 8538-3200 during office hours on weekdays, and it can confirm your number verbally once your identity has been checked. Pick whichever of these channels is most convenient, as they all reach the same official records rather than a middleman.

Whichever channel you use, expect an identity check. That step is there to keep your tax record safe, not to inconvenience you.

What to prepare

Before you reach out, gather your basics: your full registered name, your date of birth, your address, and a valid government ID. When you call the hotline, a representative will confirm these details before verbally giving you your TIN. This verification is normal and appropriate. What is not normal is being asked to read out a one-time PIN, a password, or a card PIN. No BIR channel needs those from you, so if anyone requests them, stop and treat it as a red flag.

If you discover a duplicate

Occasionally, verifying reveals that you have two TINs, perhaps because a new employer registered you without knowing you already had one. The fix is straightforward but necessary: have the extra number cancelled through the BIR, typically using Form 1905, so that only one active TIN remains. Ignoring the duplicate is not an option, because continued use of both is a violation. Sorting it out promptly keeps your record clean for future transactions.

Keeping your TIN safe

Once you have confirmed your number, write it down somewhere private and treat it as sensitive information. Do not post it on social media, and be wary of unsolicited messages asking you to confirm it. A common scam impersonates the BIR to phish for your TIN alongside an OTP or password, which together can be used against you. Remember that the BIR does not message you out of the blue to demand these details or a fee. Your TIN often sits alongside other identity records too, so if you are organising your documents, the MySSS Card that replaced the UMID is another number-linked ID worth keeping secure in the same careful way.

A quick note on accuracy: Gabay is an independent guide, not the BIR. Channels, hotline numbers and hours described here reflect the situation as of 2026 and can change. Always confirm the current verification options on the official BIR website before you act, and never trust a fixer or an unsolicited message with your tax details.

Gabay is an independent guide and is not affiliated with any government agency. Fees, links and steps can change — always confirm on the official portal before you act. This is general information, not legal or financial advice.