| # | Id | Type | Description |
| 1 | accountNumber | string | Account number |
| 2 | iraContributions | number | Box 1, IRA contributions |
| 3 | rolloverContributions | number | Box 2, Rollover contributions |
| 4 | rothIraConversion | number | Box 3, Roth IRA conversion amount |
| 5 | recharacterizedContributions | number | Box 4, Recharacterized contributions |
| 6 | fairMarketValue | number | Box 5, Fair market value of account |
| 7 | lifeInsuranceCost | number | Box 6, Life insurance cost included in box 1 |
| 8 | ira | boolean | Box 7a, IRA |
| 9 | sep | boolean | Box 7b, SEP |
| 10 | simple | boolean | Box 7c, SIMPLE |
| 11 | rothIra | boolean | Box 7d, Roth IRA |
| 12 | sepContributions | number | Box 8, SEP contributions |
| 13 | simpleContributions | number | Box 9, SIMPLE contributions |
| 14 | rothIraContributions | number | Box 10, Roth IRA contributions |
| 15 | rmdNextYear | boolean | Box 11, If checked, required minimum distribution for next year |
| 16 | rmdDate | DateString | |
| 17 | rmdAmount | number | Box 12b, RMD amount |
| 18 | postponedContribution | number | Box 13a, Postponed contribution |
| 19 | postponedYear | integer | Box 13b, Year |
| 20 | postponedCode | string | Box 13c, Code |
| 21 | repayments | number | Box 14a, Repayments |
| 22 | repayCode | string | Box 14b, Code |
| 23 | fmvSpecifiedAssets | number | Box 15a, FMV of certain specified assets |
| 24 | specifiedCodes | string | Box 15b, Code(s) |