W-8BEN for referral fees: what a non-US individual partner fills in and why
A US payer asks a non-US individual for a W-8BEN to document that the person receiving a referral reward is foreign and to record any treaty claim. You give it to the payer, not the IRS, ideally before the first reward is payable. For a one-off introduction reward, most of the work is identification and a signature.
The short answer: it records who you are, not what you earned
A W-8BEN is a certificate of foreign status for individuals. When a US payer owes money to someone outside the US, it asks for the form so its files show the payee is a foreign person and so it can apply any treaty claim. On its About Form W-8BEN page, the IRS describes the form as something a foreign individual provides to the withholding agent or payer when asked, whether or not that individual is claiming a reduced treaty rate.
It is not a tax return and it is not registration with the IRS. For a referral partner it means two practical things: expect the request before any reward is paid, and answer it about yourself, because nothing on the form concerns SourceX or the company you introduced.
This is general information, not legal, tax or financial advice. Confirm with your own counsel, tax adviser or professional body before acting.
Why does a referral reward trigger the request?
A SourceX reward is a one-off, success-based payment for an introduction, not wages and not a retainer for ongoing freelance work. Partners earn 25% of the eligible platform fees SourceX actually collects from the referred company's licensing deals, capped at $100,000 cumulative per referred company. Rewards become payable only after the buyer pays and SourceX receives its fee, and no reward is guaranteed.
Because money moves from the US side to someone abroad, the payer needs documentation on file first. Without it, the payer cannot tell whether you are a foreign person and may have to fall back on default rules. Whether anything is actually withheld is a separate question, covered in what to know about 30% US withholding on a non-US referral reward.
What does each part of the form mean for an introduction reward?
The form has three parts. Keep the current IRS instructions open while you complete it; the notes below show how each part tends to look for someone whose only US-linked income is a referral reward.
| Part of the form | What it asks | What to think about as a referral partner |
|---|---|---|
| Part I, identity | Your name, country of citizenship and date of birth | Use your legal name exactly as on your passport and bank account |
| Part I, addresses | Permanent residence address and, if different, a mailing address | The permanent address is where you live for tax purposes, not a PO box, office address or an address in care of someone else |
| Part I, tax numbers | A US taxpayer identification number if required, and your foreign tax ID | Many partners have no US number; the foreign ID is the one your home tax authority issued |
| Part I, reference | An optional reference number | A payer may ask you to enter your partner or account reference so the form matches your record |
| Part II, treaty claim | Your treaty country of residence and any special rate or article claimed | Relevant only if part of the reward could be US-source; take advice before completing it |
| Part III, certification | Signature, date, printed name and capacity | You sign as the beneficial owner and confirm every statement in the certification, so read them all |
If you joined through your company rather than personally, this is the wrong form. The comparison of the W-8BEN and the W-8BEN-E shows which one fits, and the W-8BEN-E walkthrough for consulting firms covers the entity version.
How does it apply in common partner situations?
The hard cases are about residence and status, not about the reward.
| Situation | What to check | Outcome to confirm with an adviser |
|---|---|---|
| You hold citizenship of one country and live in another | Which country is your residence for tax purposes | Citizenship and residence go in different boxes; any treaty claim follows residence |
| You moved country after registering | Whether the address and treaty country on file are still true | Give the payer a new form promptly |
| You hold a US green card or spend long stretches in the US | Whether you count as a US person for tax purposes | You may need a W-9 rather than a W-8BEN |
| Your home country does not issue tax IDs to individuals | How the instructions handle a foreign TIN that is not legally required | Follow the instructions rather than leaving the line blank without explanation |
| You attended the first meeting in person on a US trip | Where the introduction work was performed | Ask whether that changes the source of the reward and whether a treaty claim is worth making |
When to give it and when to update it
Give the form when the payer asks, preferably long before a reward is payable, so that a missing signature does not delay a payment that has already taken months to arrive. Keep a signed copy with your partner records.
Replace it when anything on it stops being true, or when the validity period in the IRS instructions runs out. Before you sign, run through this list:
- Legal name matches your passport, bank account and partner registration
- Permanent residence address is your tax home, not a business or PO box address
- Foreign tax ID entered, or the not-required case handled as the instructions describe
- Treaty section completed only after advice, or left blank
- Signed, dated and copied for your own file
- Reminder set to review the form if you move, change name or change US status
Questions to ask your tax adviser
- Is my reward pay for services, and is any part of it US-source given where I did the work?
- Should I complete the treaty section, and under which article if so?
- How does my home country tax a one-off introduction reward paid from abroad?
- Would joining personally or through a company be the better structure at home?
The program terms govern the payout process and the documents needed. If you are still deciding whether the role suits you, read what a SourceX referral partner is, and use the referral earnings calculator to see how the published reward formula works.
Next step
If you live outside the US and can reach the owner, CEO or CFO of a US company with 50+ full-time employees at peak (contractors excluded) and years of operational records, register as a partner in your own name and keep a completed W-8BEN ready for when a reward becomes payable.
- Step 1Share your linkSend your personal link to a company you know.
- Step 2Company appliesThe company applies itself at /apply.
- Step 3Buyer selects and paysThe buyer selects and pays for the data and SourceX receives its fee.
- Step 4You get your rewardYour share of SourceX fees becomes payable.
Common questions
Is giving a W-8BEN the same as registering with the IRS?
No. The form is a certificate you give to the payer that asked for it, and the payer keeps it with its records. It does not create an IRS account, it is not a tax return and it does not by itself mean you owe US tax. Your home-country tax obligations on the reward continue to apply as usual, so keep track of them separately.
Do I need a US tax number to complete a W-8BEN for a referral reward?
Often not. The form asks for a US taxpayer identification number only where one is required in your situation, which the IRS instructions explain. Many individuals with no US income history have none and enter their home-country tax ID instead. If your adviser concludes that you do need a US number, they can explain how to apply for one before a reward is payable.
Will the company I introduced see my W-8BEN?
It has no reason to. The form is for the payer of your reward, and the reward is a share of SourceX's fee rather than a payment from the referred company. The company deals with SourceX on its own licensing agreement and never needs your personal tax details. Share the form only through the channel the payer specifies.
What if my circumstances change between the introduction and the payout?
Give the payer a new form. Rewards are paid only after the buyer pays and SourceX receives its fee, which can be many months after an introduction, so moves, name changes and changes in US status are common in between. An outdated form may no longer be valid, and replacing it early avoids a delay when the reward becomes payable.
Does a completed W-8BEN mean nothing will be withheld from my reward?
Not necessarily. The form documents your foreign status and any treaty claim, which the payer needs before it can apply the rules correctly. Whether US tax applies depends on facts such as whether the reward is US-source, which for services depends largely on where you did the work. A tax adviser who knows your situation should confirm the position.
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By SourceX Partnerships Team · Published 2026-10-09 · Updated 2026-10-09
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