Have you ever needed your Taxpayer Identification Number (TIN) but couldn’t remember where you saved it? Whether it’s for tax filing, business transactions, or official documents, your TIN is an essential piece of information. If you’re wondering, “How to retrieve my TIN number?”, don’t worry – there are several simple ways to recover it.
Recovering your TIN is as important as getting a No-Objection letter or a Bank Certificate and Bank Statement. If you lost your TIN, you can’t get a new one – having multiple TINs is punishable by law, as it may be considered tax evasion. Instead, you must retrieve and verify your existing TIN.
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Each one of us has a TIN to file our taxes. When we work, sometimes the employer processes it for us, but we have to fill up a form. When we are doing business, we need to register at the Regional District Office (RDO), and they provide us with a TIN. It’s important, so we should remember or keep a file of it.
Your immigration status as a resident or a resident alien does not change the importance of keeping this number secure. If you’re a Filipino digital nomad traveling abroad, it’s especially crucial to have all tax documents in order for compliance. Using a service like Yesim (CODE: KATRIN8414) for reliable eSIM access while traveling can help you stay connected, especially when handling financial or government-related tasks remotely.
To avoid future issues, consider using an organizer bag or document organizer to keep your important tax and identification documents safe.
1. Check Your Documents or IDs
The best place to find your TIN is on your TIN ID if you have one. If not, and you were previously working, try checking your old pay slips, Form 2316, or any official document from your employer. Business owners can find their TIN on their 1701, 2551 forms, or a copy of their Certificate of Registration (2303).
If you have an Employer Identification Number (EIN) for your business, ensure it is recorded separately from your personal TIN. Also, ensuring you provide the correct information is essential for confirming your true identity and avoiding any complications with tax laws or treaty benefits.
2. Call Your Employer
Your HR personnel, Payroll, or Accounting department should have your TIN on record, as they file taxes on your behalf. If you have resigned, you can contact your previous employer, as they may retain your tax details in their system. Employers usually maintain this data for compliance purposes.
3. Contact BIR
Prepare your personal details and reach out to the Customer Assistance Division of the Bureau of Internal Revenue (BIR) for assistance. You can contact them through the following numbers:
- 8981-7030
- 8981-7003
- 8981-7040
- 8981-7020
- 8981-7046
- 8981-7419
- 8981-7452
- 8981-7478
- 8981-7479
The processing time for TIN verification may vary, so be sure to check with BIR for available service options to expedite the process. If you are experiencing delays, be patient – BIR processes thousands of requests daily, especially between Monday and Friday.
Alternatively, you can send an email inquiry to [email protected] and include a selfie holding a valid ID for identity verification.
If you’re traveling frequently for business or remote work, having travel insurance is just as important as keeping your TIN safe. Many tax authorities and embassies require it for visa applications and long-term stays abroad. Staying covered will help prevent financial losses due to unexpected medical expenses or travel disruptions.
You can e-mail like this:
Dear Sir/Madam,
Good day.
I am (complete name) from (town/city). I would like assistance from your good office as I have forgotten my Tax Identification Number and need it for (purpose.) The following are my details:
(For Self-Employed)
Complete Name:
Birthdate:
Gender:
Residence Address: (include Zip Code)
Past Business Registered with BIR:
(For Employed or Previously Employed)
Complete Name:
Birthdate:
Birthplace:
Gender:
Mother’s Maiden Name:
Father’s Name:
Residence Address: (include Zip Code)
I am hoping for your response.
Sincerely,
Your Name
4. Visit an RDO
You may go to the nearest Regional District Office (RDO) where your TIN was registered. Upon arrival, ask where you should queue to have your TIN retrieved or verified. Bring a valid ID or relevant documents to prove your identity. Some RDOs may require an official request form or verification through a QR code scanner for added security.
5. Online Retrieval
BIR provides an online TIN Verifier Button, which allows individuals to check their TIN status. This tool is available under the “Other E-Services” section of the BIR website.
However, this service is currently limited to authorized parties, such as employers, government agencies, and tax consultants. If you have C-level security clearance, you may access this tool directly.
If you are unable to access the eReg TIN Query, checking with BIR directly remains the best option. You may also find discussions about this process in forums where employees, HR personnel, and taxpayers share their experiences retrieving their TIN.

Whether you are an employee, business owner, HR personnel, or even a spouse handling tax matters, this article will guide you through the process.
And now that you have successfully retrieved your lost TIN, make sure to keep a secure record of it. Consider writing it down, saving it in a digital file, or keeping it in a password-protected document.
A straightforward process starts with being prepared – secure your tax details, and retrieving them will be much easier in the future. If you ever need to process tax documents for a spouse or employer, having your TIN readily available will save time and effort. Good luck! 😊
Disclaimer: The steps mentioned above may vary depending on BIR updates, so always check for official announcements to ensure you follow the latest process. The Social Security Administration (SSA) and other financial agencies may also require your TIN for verification purposes, so keeping it safe is crucial.
FAQ
The BIR also offers an online platform, the eReg TIN inquiry tool, where you can input certain personal information (such as your full name and birthdate) to retrieve your TIN. This service may not always be available, but it is worth trying before going to the office in person.
The most straightforward way to recover your TIN number and apply for a replacement TIN ID is by visiting the nearest BIR Revenue District Office (RDO) where you originally registered. Ensure you bring a valid government-issued ID and any proof of your past transactions with BIR (if available).
A TIN is a general term that includes various types of numbers the IRS uses to track taxpayers. An EIN is a specific type of TIN issued exclusively to businesses, trusts, estates, and other entities.
About the Writer

Hey, I’m Lyza! I once was a person who just imagined going to places “one day” but decided to pursue my dreams. My first travel abroad was in Japan, solo, last 2018, and fell in love with the journey since. I’m aiming to visit 10 countries before turning 30 and 2 new places in the Philippines every year. Besides traveling, I love organizing trips, photography, reading, and making new friends. Follow my adventures through my Instagram.