RMD Penalty Guide: How to Avoid & Waive the IRS Fee

For decades, the penalty for missing a Required Minimum Distribution (RMD) was one of the most punitive assessments in the entire Internal Revenue Code. A simple oversight could cost you half of your missed distribution in taxes. While the SECURE Act 2.0 has significantly reduced this penalty, it remains a painful financial hit that can disrupt your retirement planning.

If you or a loved one recently realized you missed an RMD, do not panic. The IRS frequently waives this penalty for taxpayers who take swift corrective action and present a reasonable explanation. This comprehensive guide details the current RMD penalty rules, explains how to calculate your exposure, and provides a step-by-step roadmap to secure an IRS waiver.

The New RMD Penalty Landscape: SECURE Act 2.0

Passed in late 2022, the SECURE Act 2.0 brought sweeping changes to retirement accounts. Among the most taxpayer-friendly provisions was the reduction of the excise tax for failing to take an RMD.

• The Old Rule: Before 2023, the penalty was a staggering 50% of the amount that should have been distributed but was not.
• The New Standard Rule: Starting in tax year 2023, the standard RMD penalty was cut in half to 25%.
• The Corrected Rule: If you correct the missed RMD during a specific "correction window," the penalty is further reduced to just 10%.

What is the "Correction Window"?

To qualify for the reduced 10% penalty, you must correct the mistake and pay the tax before:

1. The IRS mails a notice of deficiency to you regarding the penalty;
2. The IRS assesses the tax on the missed distribution; or
3. The last day of the second taxable year after the tax is imposed.

While a 10% or 25% penalty is far better than 50%, your goal should still be a 0% penalty. The IRS has the statutory authority to waive the penalty entirely if you can prove the mistake was due to "reasonable error" and that you have taken reasonable steps to remedy the situation.

Step 1: Determine Your Exact RMD Age

To know if you missed a distribution, you must first verify your required beginning date. SECURE Act 2.0 phased in new ages for RMDs based on your birth year:

• Born before July 1, 1949: Your RMD age was 70½.
• Born July 1, 1949, through December 31, 1950: Your RMD age was 72.
• Born January 1, 1951, through December 31, 1959: Your RMD age is 73.
• Born January 1, 1960, or later: Your RMD age is 75.

Your first RMD must be taken by April 1 of the year following the year you reach your RMD age. For every subsequent year, the deadline is December 31 of that calendar year.

Example: If you turned 73 on June 15, 2023, your first RMD (for 2023) was due by April 1, 2024. However, your second RMD (for 2024) is due by December 31, 2024. Skipping the December 31 deadline is the most common way taxpayers trigger the RMD penalty.

Step 2: Take the Corrective Distribution Immediately

If you discover an RMD error, your very first action must be to withdraw the missed amount. You cannot ask the IRS to waive a penalty for an ongoing failure.

Contact your financial institution or custodian immediately and request a distribution for the missed amount. Make sure they understand this is a corrective distribution for the prior tax year.

Note: This corrective distribution will be taxed as ordinary income in the year you actually receive it, not the year it was supposed to be taken. This can sometimes push you into a higher tax bracket if you are forced to take two RMDs in a single calendar year (the missed one and the current year's RMD).

Step 3: How to Request an IRS Waiver using Form 5329

To request a waiver, you must file IRS Form 5329 (Additional Taxes on Qualified Plans including IRAs and Other Tax-Favored Accounts). You should file this form with your annual Form 1040 income tax return, or file it by itself if you have already submitted your return for the year in question.

Filling Out Form 5329 for a Waiver

Historically, the instructions for Part IX (or the relevant section for RMDs in the current tax year) require specific entries to claim a waiver:

1. Line 52 (Minimum required distribution): Enter the total amount of the RMD you were supposed to take for the tax year.
2. Line 53 (Amount actually distributed): Enter the amount you actually took during that tax year (which may be $0 if you missed it entirely).
3. Line 54 (Subtract line 53 from line 52): This is the amount of your missed RMD.
4. Line 55 (Excise tax): To request a waiver, write "RC" (for Reasonable Cause) on the dotted line next to Line 55. Next to "RC," write the amount of the penalty you want waived (which should be the entire penalty). On the actual line entry for Line 55, enter $0 (unless you are conceding a portion of the penalty).

The Golden Rule: Do Not Pay the Penalty Upfront

When requesting a waiver, do not send a check for the penalty with your Form 5329. If you pay the penalty upfront, you are making a formal tax payment, and getting that money back requires the IRS to process a refund, which can take months or years. Instead, enter $0 on the penalty line, submit your waiver request, and wait for the IRS to either approve it (by sending no response or a letter of acceptance) or deny it (by sending a bill for the penalty).

Step 4: Write a Compelling Letter of Explanation

Form 5329 must be accompanied by a clear, concise letter explaining why you missed the distribution and what you have done to fix it. The IRS is run by humans; they respond well to honest mistakes, family emergencies, or logistical errors, provided you took action as soon as you realized the slip-up.

What Constitutes "Reasonable Error"?

• Serious Illness or Death: A major medical crisis involving you or an immediate family member.
• Financial Institution Error: The custodian failed to process your automated distribution request or provided incorrect calculation statements.
• Address/Contact Issues: You did not receive RMD notices because of a move, mail delivery issues, or cognitive decline.
• Complexity Confusion: Confusing rules surrounding inherited IRAs or transitioning between retirement plans.

Sample Waiver Letter Outline

Your letter should follow a professional, direct structure:

1. Header: Your name, address, Social Security Number, and the tax year in question.
2. The Statement of Fact: "This letter is to request a waiver of the RMD excise tax under IRC Section 4974(d) for the tax year [Year]."
3. The Reason: Explain the exact reason for the oversight. Keep it brief but detailed (e.g., "My spouse was hospitalized from October through December, during which time I was acting as full-time caregiver...").
4. The Remedy: State clearly that you have corrected the error. "Upon discovering the oversight on [Date], I immediately contacted my custodian and withdrew the full missed RMD amount of [Amount] on [Date of corrective distribution]."
5. Proof: Attach copies of the distribution confirmation or account statements showing the corrective distribution.

Understanding RMD Aggregation Rules

Many taxpayers trigger RMD penalties because they misunderstand which accounts can be combined to satisfy their annual distribution requirements. Miscalculating where you can pull funds from is a primary source of "reasonable error" claims.

Account Type	Can You Aggregate RMDs?	Rules & Limitations
Traditional IRAs	Yes	You must calculate the RMD for each Traditional IRA individually, but you can withdraw the total sum from any one or more of your Traditional IRAs.
Roth IRAs	N/A	Roth IRAs do not have RMDs during the lifetime of the original owner.
401(k) & 403(b) Plans	No (with exception)	401(k) plans cannot be aggregated; you must take a separate RMD from each active employer plan. However, 403(b) plans can be aggregated with other 403(b) plans.
Inherited IRAs	Yes (with limitations)	You can aggregate RMDs for inherited IRAs, but only if they were inherited from the same deceased individual.

The Inherited IRA Complexity Trap

The passage of the SECURE Act in 2019 eliminated the "stretch IRA" for most non-spouse beneficiaries, replacing it with a strict 10-year rule. Under this rule, the entire balance of the inherited account must be distributed by the end of the tenth year following the year of the owner's death.

This change caused massive confusion regarding whether beneficiaries were also required to take annual RMDs during those 10 years if the original owner died after their required beginning date.

Because of this widespread confusion, the IRS issued a series of transition notices (Notice 2022-53, Notice 2023-54, and Notice 2024-35) that effectively waived the RMD penalty for beneficiaries subject to the 10-year rule who missed annual distributions for tax years 2021, 2022, 2023, and 2024. If you fall into this specific category, you do not need to file Form 5329 or pay an excise tax for those missed years. However, final regulations dictate that these annual distributions must resume in 2025.

Proactive Strategies to Prevent Future Penalties

Once you have resolved a missed RMD, take structural steps to ensure you never face the penalty again:

• Set Up Automatic Distributions: Most major custodians (Vanguard, Fidelity, Schwab) allow you to schedule automatic RMD calculations and distributions. Set these for October or November—not late December—to allow time to resolve any processing glitches.
• Consolidate Accounts: If you have five different IRAs from various employers, you have five times the opportunity to make an oversight. Consolidating your accounts into a single IRA simplifies your calculations.
• Use Qualified Charitable Distributions (QCDs): If you do not need your RMD for living expenses, you can direct your custodian to send up to $105,000 annually directly to a qualified 501(c)(3) charity. This satisfies your RMD, avoids the penalty, and keeps the distribution out of your adjusted gross income.

By taking swift action, leveraging Form 5329, and keeping your retirement accounts structured cleanly, you can successfully navigate the RMD penalty rules and protect your hard-earned savings from unnecessary taxation.