Code 4 generally tells the IRS the distribution is connected with death
Instructions for Form 1099-R identify distribution code 4 as “Death.” It is used for distributions to beneficiaries after a participant or IRA owner dies, subject to the form’s detailed coding rules. For an inherited IRA beneficiary, code 4 is therefore a common entry in box 7.
Read more than box 7
| Form field | Why it matters |
|---|---|
| Box 1 – Gross distribution | Starting point for reconciling what left the retirement account |
| Box 2a – Taxable amount | May or may not be fully determined by payer; basis can matter |
| Box 4 – Federal income tax withheld | Tax prepayment, not a reduction of the gross RMD amount |
| Box 7 – Distribution code | Code 4 generally indicates death/beneficiary distribution |
| IRA/SEP/SIMPLE checkbox | Helps identify whether the payment is from an IRA category |
Example: net bank deposit is not the gross distribution
If box 1 shows $30,000 and box 4 shows $3,000 withheld, the beneficiary may have received only $27,000 in cash. For RMD reconciliation and tax reporting, the gross retirement distribution is still $30,000; the $3,000 withholding is treated as federal tax paid on the beneficiary’s behalf.
Direct rollovers can use more than one code
The Form 1099-R instructions contain special coding for direct rollovers by non-spouse designated beneficiaries to inherited IRAs, including combinations involving code G and code 4 in appropriate circumstances. A beneficiary who moved an employer-plan account should not assume every code-4 form represents cash received personally.
Why box 2a can require more work
If the deceased owner had after-tax basis in a traditional IRA, the beneficiary may inherit that basis treatment. A payer may not have enough information to compute the taxable amount exactly. Keep any Form 8606 and basis records from the decedent rather than assuming box 1 is always fully taxable.
Reconcile before filing
- Match every 1099-R to a specific inherited account and decedent.
- Compare box 1 with the custodian’s transaction history.
- Confirm withholding in boxes 4 and state boxes.
- Investigate any code inconsistent with the transaction you requested.
- Retain direct-rollover confirmations and inherited-account opening records.
One inheritance can generate more than one Form 1099-R
If an inherited account moves between institutions or a beneficiary receives distributions from both an employer plan and a new inherited IRA in the same year, multiple Forms 1099-R can arrive. Do not enter only the form from the custodian holding the account on December 31. Reconcile every payer against the full transaction history.
Correct a reporting mismatch with the payer before inventing a tax-return workaround
If the form shows a distribution code inconsistent with a documented death distribution or direct rollover, contact the payer and ask whether it will issue a corrected Form 1099-R. Keep written evidence of the requested correction. The tax return should reflect the actual transaction, but a mismatched information return can trigger avoidable IRS correspondence.
Keep decedent basis records beside the form
Code 4 identifies the reason for distribution; it does not prove that box 1 is fully taxable. When inherited traditional IRA basis exists, the beneficiary’s Form 8606 work can change taxable income even though the death code is correct.