| # | Id | Type | Description |
| 1 | accountNumber | string | Account number |
| 2 | stateAndLocal | Array of StateAndLocalTaxWithholding | Boxes 14-16, State and Local tax withholding |
| 3 | federalTaxWithheld | number | Box 4, Federal income tax withheld |
| 4 | profitOnClosedContracts | number | Box 8, Profit or (loss) realized in current year on closed contracts |
| 5 | unrealizedProfitOpenContractsBegin | number | Box 9, Unrealized profit or loss on open contracts at end of last year |
| 6 | unrealizedProfitOpenContractsEnd | number | Box 10, Unrealized profit or loss on open contracts at end of current year |
| 7 | aggregateProfitOnContracts | number | Box 11, Aggregate profit or (loss) on contracts |
| 8 | bartering | number | Box 13, Bartering |
| 9 | securityDetails | Array of SecurityDetail | Boxes 1-3, 5-7, 12, Security details |
| 10 | secondTinNotice | boolean | Second TIN Notice |