When you leave a job, your 401(k) doesn't disappear and nothing forces an immediate decision. In most cases you have four real options: leave the balance in the old plan, roll it into an IRA, roll it into a new employer's plan, or cash it out, each governed by specific IRS rules.
What Are Your Options for an Old 401(k)?
The IRS doesn't force you to move an old 401(k) the day you leave, but each path forward comes with real tradeoffs worth knowing before you pick one.
- Leave it in the old plan. Many plans let a former employee keep the balance in place indefinitely, as long as it clears the plan's minimum. Under the SECURE 2.0 Act (Section 304), employers may force out balances under $7,000 without your consent, rolling amounts over $1,000 automatically into an IRA on your behalf, or cutting a check directly for balances under $1,000. Above that threshold, staying put keeps your current investment lineup and fees exactly as they are, but it also means tracking another account from a job you no longer work at.
- Roll it into an IRA. An IRA typically opens up a far wider menu of investments than a workplace plan and lets you consolidate old accounts in one place. On creditor protection, a rollover IRA funded purely from a 401(k) keeps that plan's unlimited federal bankruptcy protection, as long as it's never mixed with new IRA contributions; combine the two and the account falls back to a capped federal bankruptcy exemption instead.
- Roll it into your new employer's plan. This keeps everything under one 401(k) and preserves that same broad ERISA creditor protection. The catch: per the IRS, "your retirement plan is not required to accept rollover contributions," so confirm with your new plan administrator before counting on this option.
- Cash it out. This is the only option that puts money in hand right away, and the only one that triggers an immediate tax bill, covered in detail below.
Direct Rollover vs. Indirect Rollover: What's the Difference?
The IRS recognizes two ways to move 401(k) money into another retirement account, and which one you use changes whether the government holds back part of your money up front.
A direct rollover (trustee-to-trustee) means you ask the old plan's administrator to send the money straight to the new IRA or plan. According to the IRS, this method has no withholding at all, the full balance moves. An indirect rollover, also called the 60-day rollover, works differently: the plan cuts a distribution check payable to you instead. Because the money passes through your hands, federal law requires the plan to withhold 20% for taxes before you ever see it, "even if you intend to roll it over later," per the IRS.
To complete an indirect rollover without owing tax on the withheld piece, you have to deposit the full original distribution amount, including the 20% that was withheld, into the new account within 60 days. That means covering the withheld portion out of other savings; whatever doesn't get redeposited is treated as a taxable distribution instead of a rollover.
What Is the 60-Day Rollover Rule?
The IRS gives you 60 days from the date you receive an indirect distribution to deposit it into an IRA or another retirement plan. Miss that window and the entire amount becomes a taxable distribution for that year, and if you're under 59 and a half, the 10% early withdrawal penalty described below applies on top of it. The IRS says it may waive the 60-day deadline in limited cases where circumstances beyond your control caused the delay, but that's a case-by-case exception, not something to plan around.
What Happens If You Cash Out a 401(k) Early?
A 401(k) is typically funded with pretax dollars, so cashing it out means the full amount gets added to your taxable income for the year, taxed at your ordinary income tax rate the same as a paycheck. If you're under age 59 and a half when you take the money, the IRS adds a 10% additional tax on top of that ordinary income tax. On a meaningful balance, that combination, ordinary tax plus the 10% penalty, plus whatever your state charges, can take a large bite out of the amount you actually keep.
Are There Exceptions to the 10% Early Withdrawal Penalty?
The 10% additional tax has real, IRS-listed exceptions, though none of them cancel the ordinary income tax, only the extra 10%. One directly relevant to leaving a job: distributions "made to you after you separated from service with your employer after attainment of age 55" are exempt from the 10% penalty, per the IRS. That exception applies to the 401(k) at the employer you just left; rolling that money into an IRA generally means losing it and reverting to the standard age 59-and-a-half threshold.
Other listed exceptions include total and permanent disability, death, certain qualified public safety employees at age 50 or after 25 years of service, unreimbursed medical expenses above 7.5% of adjusted gross income, and two exceptions the SECURE 2.0 Act added for distributions after December 31, 2023: domestic abuse survivors and certain personal or family emergency expenses. Whether any of these apply is specific to your own situation.
Which Option Fits Your Situation?
Every option above is legitimate, and the IRS treats each one differently on tax, timing, and paperwork. None of them is automatically the right choice: leaving it, rolling it to an IRA, rolling it to a new plan, and cashing out all solve for different priorities, and the details of your own age, accounts, and plans change which tradeoffs matter most. A licensed financial advisor can help you decide which option fits your full retirement picture, including how an old 401(k) interacts with the rest of your savings, Social Security timing, and tax situation. If you want to see the general math first, the retirement savings calculator estimates how long a balance could last at a given withdrawal rate.