Casino Withholding Tax Explained
Complete guide to IRS backup withholding on gambling winnings. Learn when casinos withhold 24%, how to avoid it, and how to claim refunds if over-withheld.
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Federal withholding rules apply in all states
⚠️ CRITICAL: Backup Withholding = 24% Taken Immediately
- If you don't provide your Social Security Number or TIN, casinos MUST withhold 24% of winnings over thresholds
- Backup withholding applies to all reportable winnings, not just federal income tax
- You can claim a refund if over-withheld when filing your tax return
- Provide Form W-9 to casinos to avoid backup withholding
- Non-resident aliens cannot avoid 30% withholding
🏦 When Does a Casino Withhold Tax?
| Situation | Withholding Rate | Threshold |
|---|---|---|
| US citizen/resident with valid TIN, no backup withholding | 0% (no withholding) | N/A |
| US citizen/resident, no TIN provided | 24% backup withholding | Winnings over $5,000 ($600 for poker) |
| US citizen/resident, subject to IRS backup withholding | 24% backup withholding | All reportable winnings |
| Non-resident alien (no US citizenship/green card) | 30% flat withholding | All winnings (no threshold) |
| Foreign person with tax treaty claim | Reduced rate (varies) | Must file Form W-8BEN |
📝 What Triggers Backup Withholding?
- No TIN provided: You fail to give your SSN or ITIN to the casino
- Incorrect TIN: The SSN provided doesn't match IRS records
- IRS notification: The IRS tells the casino you're subject to backup withholding
- Underreporting interest/dividends: Previous underreporting can trigger backup withholding
📊 Withholding Thresholds by Game Type
| Game Type | Reportable Threshold | Withholding Applied |
|---|---|---|
| Slot Machines | $1,200 or more | 24% if >$5,000 or backup withholding |
| Poker Tournaments | $600 or more | 24% if >$5,000 or backup withholding |
| Sports Betting | $5,000 or more (after wager) | 24% on net winnings |
| Keno | $1,500 or more | 24% if >$5,000 or backup withholding |
| Bingo | $1,200 or more | 24% if >$5,000 or backup withholding |
| Lottery | $600 or more | 24% if >$5,000 or backup withholding |
Note: Backup withholding (24%) applies to ALL reportable winnings if you haven't provided a valid TIN or are subject to backup withholding. W-2G form guide →
✅ How to Avoid Casino Withholding Tax
Submit Form W-9 to the casino with your correct SSN or ITIN. This certifies you're not subject to backup withholding.
Ensure your SSN matches IRS records. Incorrect TIN triggers backup withholding. Check with the Social Security Administration.
If you received IRS notice CP2100 or CP2100A, you're subject to backup withholding. Resolve with IRS before claiming winnings.
File Form W-8BEN to claim tax treaty benefits. Without treaty, 30% withholding applies. Cannot avoid withholding entirely.
📝 How to Complete Form W-9 for Casinos
- Line 1: Enter your full name as shown on your Social Security card
- Line 2: Business name (if applicable) – leave blank for individuals
- Line 3: Check "Individual/sole proprietor"
- Line 4: Enter your address
- Line 5: Enter your SSN or ITIN
- Part I: Sign and date the form
🌎 Non-Resident Alien Withholding Rules
⚠️ Non-Resident Aliens: 30% Flat Withholding
- Non-resident aliens (not US citizens or green card holders) have 30% flat withholding on gambling winnings
- This applies to all winnings regardless of amount (no threshold)
- Cannot avoid withholding by providing a TIN
- Tax treaties with some countries may reduce rate (e.g., Canada, UK, Germany)
- File Form W-8BEN to claim treaty benefits
📝 Tax Treaty Countries (Reduced Rates)
- Canada: 0% withholding on certain gambling winnings
- United Kingdom: 0% withholding on certain gambling winnings
- Germany: 0% withholding on certain gambling winnings
- France: 0% withholding on certain gambling winnings
- Other countries: Varies by treaty – consult a tax professional
💰 How to Claim a Refund of Withheld Taxes
📝 Steps to Get Your Money Back
- Step 1: Keep all W-2G forms showing tax withheld in Box 4
- Step 2: Report total winnings on Schedule 1, line 8b
- Step 3: Report withholding on Form 1040, line 25c (Federal income tax withheld)
- Step 4: Calculate total tax liability based on all income
- Step 5: If withheld exceeds tax due, you'll receive a refund
📊 Example: Over-Withheld Refund
- Slot winnings: $8,000 (W-2G issued)
- Withholding: 24% × $8,000 = $1,920 withheld
- Your tax bracket: 12%
- Tax on winnings: $8,000 × 12% = $960
- Over-withholding: $1,920 - $960 = $960 refund due
📚 Related Tax Guides
Federal Gambling Tax
IRS Forms for Gambling
When Are Winnings Taxable?
Tax Calculator
Our Experts
🧠 Trusted by Tax Professionals
Meet the team →Our team includes former IRS tax professionals who have helped thousands of players avoid backup withholding and claim refunds when over-withheld.
Michael Johnson
Lead Reviewer · 12 yrs casino ops
Withholding expert
Kevin Lee
Tax Specialist · 6 yrs
Former IRS analyst
David Thompson
Form Specialist · 10 yrs
W-9 & W-2G expert
❓ Casino Withholding Tax FAQ
What is casino withholding tax?
Casino withholding tax is money deducted from gambling winnings before you receive them. Casinos withhold 24% for federal tax on winnings over $5,000 (or $600 for poker) if you haven't provided a valid taxpayer ID number (TIN) or are subject to backup withholding. When withholding applies →
What is the backup withholding rate for gambling winnings?
The backup withholding rate is 24% for federal tax. This applies if you fail to provide your Social Security Number or Taxpayer ID Number (TIN) to the casino, or if the IRS notifies the casino that you are subject to backup withholding. Backup withholding details →
When does a casino withhold tax from winnings?
Casinos withhold tax when: (1) winnings exceed $5,000 (or $600 for poker), (2) you didn't provide a valid TIN, (3) the IRS notifies the casino you're subject to backup withholding, or (4) you're a non-resident alien (30% withholding). Withholding thresholds →
How can I avoid casino withholding tax?
Provide your correct Social Security Number or TIN on Form W-9 when requested. Ensure you're not subject to backup withholding. US citizens and residents with valid TINs can avoid backup withholding. Non-resident aliens cannot avoid 30% withholding. How to avoid withholding →
Can I get a refund of casino withholding tax?
Yes, if too much tax was withheld, you can claim a refund when filing your annual tax return. Report the withheld amount on Form 1040, line 25c. The withheld tax is credited against your total tax liability. How to claim refund →
What is the withholding rate for non-resident aliens?
Non-resident aliens (not US citizens or green card holders) have 30% flat withholding on gambling winnings. This rate applies regardless of amount. Tax treaties may reduce this rate for certain countries. Non-resident alien guide →
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