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Official form guide
Form 8300 is the IRS report for cash transactions of $10,000 or more received in a trade or business. File it when you receive such a payment in a single transaction or related transactions within 24 hours.
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Form 8300 is the IRS report for cash transactions of $10,000 or more received in a trade or business. File it when you receive such a payment in a single transaction or related transactions within 24 hours.
Plain English
If your business gets $10,000 or more in cash (including cash equivalents like cashier's checks) you must tell the IRS. The form records who paid, what they bought, and the amount. It’s a compliance filing, not a tax return.
Submission Date
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Form selector
Multiple small cash payments that aggregate to $10,000 within a year
Still required if aggregated within 24‑hour period
✓ Verify aggregation rule before filing
Foreign currency cash over $10,000
Must be converted to USD at transaction rate
✓ Check exchange rate documentation
Suspicious activity reporting
Different purpose, higher thresholds
✓ Use SAR only for suspected illegal activity
The filing deadline is 15 calendar days after the cash transaction date. If the 15th day falls on a weekend or federal holiday, you must file on the next business day. Late filing incurs penalties; there is no automatic extension.
Checklist
Payer name and address
Government‑issued ID or utility bill · Payer’s file
Taxpayer Identification Number
SSN or EIN document · IRS records
Transaction date
Cash receipt log · Cash register or bank slip
Amount received
Cash count sheet · Cash drawer count
Description of goods/services
Invoice or contract · Business records
Field map
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->Form 8300 is currently active for the 2024 tax year. The IRS updates the instructions annually; verify the edition date before filing.
Quick Facts
Downloads
Cash vs. cash equivalents
Cashier’s checks are treated as cash
→ Verify instrument type before filing
Aggregation period
Some think 30‑day rule applies
→ Only related transactions within 24 hours count
Foreign currency conversion
Unclear which exchange rate to use
→ Use the rate on the transaction date
Electronic vs. paper filing address
Different mailing addresses listed
→ Follow the address in the current instructions
Signature requirement
Some assume digital signature works
→ Only handwritten signature accepted on paper
Workflow map
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Current
After
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