Ask two separate questions before calling a distribution penalty-free
First ask whether the account or plan permits a distribution now. Then ask how the taxable portion is treated for regular income tax and any additional tax. A plan may allow a payment that still creates regular income tax and an additional tax, while an exception to the additional tax does not itself make an account available.
The IRS states that most retirement-plan distributions are subject to income tax and may also be subject to a 10% additional tax. Its current exception chart distinguishes qualified plans, such as 401(k)s, from IRAs. Do not borrow an IRA exception for a 401(k), or the reverse.
Use the account type, event, and timing to check an exception
The relevant details include the exact account, your age on the distribution date, whether you separated from employment, the reason for the distribution, and whether an exception applies to that account type. The IRS chart is the starting reference; the Form 1099-R and the tax return are part of the record later.
The age-55 separation exception is a common source of confusion. The IRS significant-ages guidance describes an exception for a distribution from a qualified plan after separation in or after the year the participant turns 55. It does not create a general IRA rule or prove that your plan must offer a distribution.
Keep the evidence needed for the tax return
If you believe an exception applies, keep the plan notice, Form 1099-R, and documents that support the event or timing. The IRS says Form 5329 may be needed when a qualifying exception is not reflected in the distribution code.
When the facts are uncertain, do not manufacture a calculator result. Confirm the plan option and use current IRS instructions or professional review for a rule-dependent tax position.