| # | Id | Type | Description |
| 1 | accountNumber | string | Account number |
| 2 | rents | number | Box 1, Rents |
| 3 | royalties | number | Box 2, Royalties |
| 4 | otherIncome | number | Box 3, Other income |
| 5 | federalTaxWithheld | number | Box 4, Federal income tax withheld |
| 6 | fishingBoatProceeds | number | Box 5, Fishing boat proceeds |
| 7 | medicalHealthPayment | number | Box 6, Medical and health care payments |
| 8 | payerDirectSales | boolean | Box 7, Payer made direct sales of $5,000 or more of consumer products to a buyer (recipient) for resale |
| 9 | substitutePayments | number | Box 8, Substitute payments in lieu of dividends or interest |
| 10 | cropInsurance | number | Box 9, Crop insurance proceeds |
| 11 | secondTinNotice | boolean | Second TIN Notice |
| 12 | grossAttorney | number | Box 10, Gross proceeds paid to an attorney |
| 13 | fishPurchased | number | Box 11, Fish purchased for resale |
| 14 | section409ADeferrals | number | Box 12, Section 409A deferrals |
| 15 | foreignAccountTaxCompliance | boolean | Box 13, FATCA filing requirement |
| 16 | excessGolden | number | Box 14, Excess golden parachute payments. Moved to 1099-NEC Box 3 for tax year 2025 |
| 17 | nonQualifiedDeferredCompensation | number | Box 15, Nonqualified Deferred Compensation |
| 18 | stateAndLocal | Array of StateAndLocalTaxWithholding | Boxes 16-18, State and Local tax withholding |