Vendor W-9 request email prompt: free ChatGPT template
Updated · By Robert Breen
Use this when you pay a vendor or subcontractor and have no Form W-9 on file. The W-9 is the IRS form a payee fills in with their legal name, tax classification and taxpayer identification number, and your accountant needs it for year-end reporting. Asking in the fall is far easier than chasing people in January.
The prompt keeps the request short, points to a secure way to return the form, and keeps tax rules out of the email. Those belong with your CPA.
Have a professional review it. This prompt helps you draft and organize, not give tax advice. Tax rules change and depend on the client, so have a CPA or enrolled agent review anything about taxes before it goes out.
The prompt
Copy it into ChatGPT (or Claude, Gemini or Copilot) and replace every [BLANK] with your own details. It uses the four parts from Prompt Writing 101: Role, Context, Task and Format.
Role: You are [SENDER], writing to a vendor we pay, asking for a completed Form W-9. Context: The vendor: [VENDOR]. What they do for us: [WORK]. Why we are asking now: [REASON]. How to send it securely: [SECURE METHOD]. Deadline: [DEADLINE]. Don't explain tax rules, thresholds or penalties, and don't ask for a tax ID in an email. Task: Write a short, friendly request that says what we need (a completed, signed Form W-9), why, how to send it and by when. Mention that the blank form is on the IRS website and offer one way to ask a question. It should read like a routine admin note, not a warning. Format: Plain text email with a subject line, under 120 words, no emoji. Deadline and secure method each on their own line.
Fill in the blanks
[SENDER]- Your name, role and business.
[VENDOR]- The vendor's business name and your contact there.
[WORK]- What they do or supply, so they know which account this is.
[REASON]- Why now, in one honest sentence.
[SECURE METHOD]- A secure upload link or portal, or a paper copy. Not a plain email reply.
[DEADLINE]- The date you need it by.
Example, filled in
A made-up example from the free lesson Turn a Client Meeting into Action Items and a Follow-Up Email (Accounting Firms). In the client meeting lesson, made-up Millbrook Accounting finds that three of Cedar Lane Landscaping's subcontractors have no W-9 on file, and Jordan Pike agrees to collect all three by the end of October instead of chasing them in January. Millbrook drafts the email for Jordan. The subcontractor is made up too.
Role: You are Jordan Pike at Cedar Lane Landscaping, writing to a vendor we pay, asking for a completed Form W-9. Context: The vendor: Ruiz Stone & Hardscape, contact Daniel Ruiz. What they do for us: patio and retaining wall work as a subcontractor this season. Why we are asking now: our accountants at Millbrook Accounting need a W-9 on file for every subcontractor before year end, and we would rather collect it now than in January. How to send it securely: the secure upload link our accountants set up, which I will send separately, or a paper copy at the next job. Deadline: October 31. Don't explain tax rules, thresholds or penalties, and don't ask for a tax ID in an email. Task: Write a short, friendly request that says what we need (a completed, signed Form W-9), why, how to send it and by when. Mention that the blank form is on the IRS website and offer one way to ask a question. It should read like a routine admin note, not a warning. Format: Plain text email with a subject line, under 120 words, no emoji. Deadline and secure method each on their own line.
What a good answer looks like
- A plain subject line such as "W-9 needed for Cedar Lane Landscaping".
- October 31 and the secure upload link on their own lines.
- One sentence on why, mentioning Millbrook Accounting and year end, with no talk of penalties.
- No request to reply with a Social Security or employer ID number.
How to check it before you use it
An AI draft can sound right and still say something you never told it. Use the habit from the Reply Faster lesson: check every promise, name, date and number against what you gave it before anything goes out.
- Send one email per subcontractor. A group email exposes everyone's address.
- Delete any tax rule, threshold or deadline the draft added. Those are your CPA's call.
- When the form comes back, check that it is complete and signed, then store it in secure files, not an inbox.
- Track who still owes a form so the follow-up happens before the deadline.
Why this prompt works
Collecting a Form W-9 is a standard step in vendor onboarding. Before the first payment is the easiest time to ask, and now is the second easiest. Keeping tax IDs out of email follows the same rule as any PII.
Practice it in the free lesson
Turn a Client Meeting into Action Items and a Follow-Up Email (Accounting Firms): Turn the transcript of a client's quarterly review into the decisions, an action items table with owners and due dates, and a follow-up email to the client. You do every step yourself in a practice copy of ChatGPT, and nothing touches your real accounts.
Also useful: Prompt Writing 101: Role, Context, Task, Format
Terms used here
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