For several years, the IRS operated relatively quietly. Response times lagged, enforcement appeared less aggressive, and fewer individuals and business owners heard directly from the agency. Many grew accustomed to this slower pace.

That environment has officially shifted.

We are seeing a steady increase in IRS notices, requests for clarification, and targeted follow-ups on items that previously might have slipped through the cracks. This is not a sudden pivot, but rather the result of a modernized, better-funded agency flexing its new technological capabilities.

The Technology Behind the Uptick

Following a prolonged period of understaffing and legacy systems, the IRS has aggressively invested in infrastructure, specialized hiring, and advanced enforcement tools. Those investments are now yielding tangible results.

Recent reports indicate the agency collected over $98 billion in enforcement revenue in a single fiscal year. But the real story lies in how they are identifying discrepancies. The IRS is moving away from broad, randomized audits and relying heavily on sophisticated data analytics.

Precision Auditing for Complex Filings

As a boutique firm specializing in estate, gift, valuation, and controversy consulting, we closely monitor how cases are selected for review. The IRS is deploying advanced tools to cross-reference multiple data sources, surfacing patterns that were previously undetectable.

This means their enforcement strategy is highly precise. Instead of rolling the dice with random selections, algorithms analyze relationships between filings, supporting documents, K-1s, and historical data. For high-net-worth individuals, families, and those with complex multi-entity structures, the old question of “What are the chances of being audited?” is obsolete. The new question is: “Does this return stand out within the agency’s vast data matrix?”

For family offices, fiduciaries, and individuals managing generational wealth transfer, ensuring alignment across all entities is now a critical defensive strategy.

Common Triggers for Increased IRS Scrutiny

While audit rates for the general public remain low, targeted notices are climbing rapidly. These inquiries are usually tied to specific, identifiable mismatches. Common triggers currently include:

• Information mismatches between third-party reports (1099s, W-2s, brokerage platforms) and the filed return.
• Inconsistencies involving pass-through entities and multi-layered business structures.
• Significant fluctuations in business losses or unusually large, poorly documented deductions.
• Valuation controversies involving estate and gift tax compliance or closely held businesses.

These issues are not entirely new, but the speed and accuracy with which the IRS identifies and acts on them has dramatically improved.

How to Handle an IRS Notice

Receiving an IRS letter can induce anxiety, but it is rarely a reason to panic. The margin for inconsistency is simply smaller than it used to be. The worst mistake you can make is ignoring the correspondence, followed closely by responding too hastily without fully understanding the underlying issue.

Many notices are strictly routine, requesting simple clarification. However, responding with incomplete information, or misinterpreting the agency’s request, can inadvertently trigger a broader, more invasive examination of your finances.

Guidance You Can Trust in Burlingame, CA

Whether the issue is a straightforward data mismatch or a complex forensic accounting dispute, the way you respond shapes the final outcome. Stepping back to evaluate the situation with experienced counsel is paramount.

At Sullivan & Company CPA Inc., our controversy consulting and forensic accounting team, led by Brian A. Sullivan, CPA/ABV & CFE, specializes in delivering defensible results and resolving disputes efficiently. We cut through the jargon so you and your advisors can focus on the path forward. If you have received an IRS notice or require assistance navigating complex tax, estate, or valuation challenges, contact our Burlingame office today to structure a clear, strategic response.