The Mid-Year Income Audit: Five Checks to Run Before July.

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The middle of June is the most useful checkpoint of the retirement year, and almost nobody uses it. The Q2 estimated-tax payment deadline lands on June 15, which means the calendar has already told you to look at your numbers — whether or not you intend to. Five months of withdrawal data, five months of Social Security deposits, five months of dividend and interest distributions, five months of healthcare premiums, five months of tax withholding. Enough information to see the shape of the year. Early enough to course-correct without a December scramble. Late enough that the noise has settled and the trend is real.

The Income Hydra™ is the foeman of retirement income — the structural risk that retirement is not one income decision but a continuous coordination problem with multiple heads that regenerate. Withdrawals against the plan. Tax payments against the bill. RMDs against the deadline. IRMAA exposure against the 2-year lookback. Foundation continuity against the deposit calendar. Five heads, every one of them quietly drifting between January and December if no one is watching. The mid-year audit is the structural answer — a coordinated review, anchored to an existing deadline, that catches drift before it compounds into something the year-end review cannot fix.

Check One: Withdrawal Pace Year-to-Date

The first check is the simplest: how much have you taken out of your portfolio in the first five months, and what does that imply for the full year if the pace holds? Most retirement plans are built around an annual withdrawal target — a percentage of portfolio or a fixed dollar figure tied to the income gap between Foundation income and total spending. Five months in, you have actual data instead of the plan’s assumption.

If year-to-date withdrawals are tracking at roughly 40% of the annual target, you are on pace. If they are tracking at 55%, you are running hot — either because spending has been higher than planned, because Foundation income has been lower (a delayed Social Security deposit, a pension lump distribution timing issue), or because one-time expenses landed earlier in the year than expected. The diagnostic value is not in the percentage itself; it is in the explanation. A 55% pace driven by a one-time roof replacement is not the same problem as a 55% pace driven by gradually rising lifestyle spending. The first absorbs itself. The second compounds.

The structural response is not to stop spending. It is to identify which it is — and to adjust the second half of the year accordingly if the trend is real. A retirement plan that cannot bend to a 10% spending variance is a plan built too tight to hold.

Check Two: Tax Withholding and Estimated Payments

The second check is anchored to the calendar. The Q2 estimated-tax payment is due June 15, 2026. The Q3 payment is due September 15. By mid-June, you should have made two of the four estimated payments for the year (Q1 was due April 15) — or you should be confident that withholding from Social Security, pension, IRA distributions, and other sources is covering the projected liability.

The IRS safe-harbor rules require paying the lesser of 90% of the current year’s tax or 100% of the prior year’s tax (110% if prior-year AGI exceeded $150,000) to avoid an underpayment penalty. Mid-year is when you have enough income data to project the current-year liability against the safe-harbor floor. If withholding plus estimated payments to date is tracking below the safe-harbor pace, the underpayment penalty starts accruing — not at year-end, but quarter by quarter. The June 15 deadline is the second opportunity of the year to true it up. The September 15 deadline is the third. After September, the runway is short.

The most common drift pattern: a retiree starts the year with planned IRA distributions or Roth conversions and adjusts the size or timing as the year unfolds — without adjusting the withholding or estimated payments to match. The underpayment penalty is small, but it is annoying, and it is entirely avoidable with a mid-year review.

Check Three: RMD Progress (Age 73 and Up)

For retirees subject to Required Minimum Distributions — currently age 73 under SECURE 2.0, rising to age 75 in 2033 — the mid-year audit is a useful waypoint, though not a deadline. The RMD itself is not due until December 31, but two structural reasons argue for taking a look in June.

First, if the RMD strategy this year involves a Qualified Charitable Distribution (QCD) — available beginning at age 70½ with a 2026 annual limit of $111,000 per individual — the receiving charity needs time to process the distribution before year-end. December is heavily congested in custodian-processing queues. The strategic time to execute a QCD is mid-year or early fall, not the last week of December.

Second, if the RMD strategy involves withholding federal taxes from the distribution to satisfy estimated-tax requirements — a structurally elegant move that avoids the need for quarterly estimated payments — the timing of the distribution matters. A withheld RMD is treated by the IRS as if paid evenly throughout the year, regardless of when it was actually distributed. That means a December RMD with significant withholding can functionally close any prior-quarter underpayment gap. But the math only works if the distribution actually happens, and a December bottleneck at the custodian can compress that window.

For retirees with multiple IRAs, the audit should also confirm that the aggregate RMD across all IRA accounts is tracking against the calculated requirement — not whether each account is being drawn from proportionally, but whether the total satisfies the IRS requirement. The 25% excise tax for missed RMDs under SECURE 2.0 (reducible to 10% if corrected within the correction window) is a penalty no retiree should ever pay.

Check Four: IRMAA Trajectory and the Two-Year Lookback

The fourth check is the one most retirees never run. Medicare Income-Related Monthly Adjustment Amount (IRMAA) surcharges for Part B and Part D premiums are based on Modified Adjusted Gross Income from two years prior. The 2026 IRMAA brackets you are currently paying are based on 2024 MAGI. The 2028 IRMAA brackets — the ones you will see in your Medicare bill in two years — are being set right now, by what your 2026 income looks like at year-end.

For 2026, the IRMAA bracket structure begins at $109,000 MAGI for single filers and $218,000 for joint filers, with progressive surcharges through several tiers, topping out at MAGI above $500,000 single / $750,000 joint. Crossing a bracket by even one dollar pushes the surcharge to the higher tier for the entire bracket — the structure is a series of cliffs, not a smooth curve. A Roth conversion, a large capital-gain realization, an unanticipated bonus distribution, or a one-time IRA withdrawal can each move a household across a cliff that will not show up in the Medicare bill until 2028.

The mid-year audit is when you have time to model the 2026 MAGI trajectory against the bracket thresholds, see where the year is likely to land if no further action is taken, and decide whether to compress, defer, or reshape income in the second half. By December the year is set. By June, there is still time.

Check Five: Foundation Continuity

The fifth check is structural. The Foundation layer of the REGAL Stronghold™ — Social Security, pensions, fixed and fixed-index annuity income, government Treasury and CD income — is intended to be the part of the plan that does not require management attention. It deposits on schedule. It covers essential expenses. It builds the Permission Number™, the percentage of essential expenses covered by Foundation income.

But Foundation income does not audit itself. The mid-year check is the moment to confirm that what is supposed to be on autopilot has actually been on autopilot. Did every Social Security deposit arrive on schedule? Was the pension payment recalculated correctly after the cost-of-living adjustment? Did any annuity income rider step-up date pass without confirming the new income level? Did beneficiary information stay current after any life event in the first half of the year?

None of these are likely to be wrong. All of them are worth verifying. The Permission Number™ loses its meaning the moment one of the underlying components quietly stops behaving the way the plan assumed it would.

The Coordinated Review

None of these five checks takes long on its own. Withdrawal pace is a single calculation against the annual target. Tax payment review is a comparison of withholding-plus-estimateds to a safe-harbor projection. RMD progress is a single line item per IRA. IRMAA trajectory is a MAGI projection against published brackets. Foundation continuity is a deposit-history scan and a beneficiary-form review.

The work is not in any one check. The work is in running them together. Each one in isolation tells you something about a single income decision. Run as a coordinated review, they tell you something about the structure — whether the plan as designed in January is actually behaving the way it was supposed to in June, or whether drift has already begun to compound in ways the year-end review will be too late to correct.

The Principle Underneath

Most retirement plans are built once and then operated. The work that goes into the original design is enormous: the income gap analysis, the Foundation-Walls-Battlements structure, the withdrawal sequencing, the tax-bucket coordination, the beneficiary architecture. The work that goes into ongoing operation is small, and that is precisely why it is the work most likely to get skipped.

The mid-year audit is one of the very few operating disciplines that, run once a year on a calendar trigger, produces structural information the rest of the year cannot. The June 15 estimated-tax deadline is the natural anchor. Build the audit around it. The Income Hydra™ does not stop regenerating between annual reviews. Neither should the structural attention paid to it.