Resolving Definition of Compensation Discrepancies
Aligning Payroll Pay Codes with Your 401(k) Plan Document to Prevent Audit Findings and Multi-Year Correction Costs
The most effective way to resolve compensation discrepancies in an employee benefit plan audit is to perform a code-by-code payroll reconciliation and apply the IRS Employee Plans Compliance Resolution System (EPCRS). When your payroll system excludes specific earnings—such as bonuses, commissions, or overtime—that your legal plan document includes, you create a systemic operational failure. Plan sponsors can fix these mistakes using the IRS Voluntary Correction Program (VCP) or Self-Correction Program (SCP) to protect the plan’s qualified tax status. Aligning payroll software codes with your legal adoption agreement before an audit reduces costly corrective employer contributions.
Key Takeaways
Misaligning payroll pay codes with your retirement plan document creates operational failures that require mandatory employer-funded corrections under IRS guidelines. Conducting code-by-code reconciliations and establishing proactive internal controls allows plan sponsors to identify compensation errors early and protect their plan’s qualified tax status.
- Payroll Code Exclusions Cause Operational Failures: Omitting eligible compensation—such as bonuses, commissions, or overtime—from 401(k) deductions violates the legal plan document and results in missed deferral opportunities for participants.
- Employer Corrections Require Out-of-Pocket Funding: Plan sponsors must make affected employees whole by funding Qualified Non-Elective Contributions (QNECs), contributing missed employer matches, and adjusting for lost investment earnings.
- IRS Programs Provide Formal Correction Pathways: Sponsors can fix minor or recent compensation errors using the Self-Correction Program (SCP) or submit multi-year discrepancies through the Voluntary Correction Program (VCP) to secure tax protection.
- Annual Code Audits Prevent Costly CPA Findings: Routine reviews comparing total W-2 earnings against plan compensation ensure system software matches legal adoption agreements and eliminates unexpected corporate liabilities.
Understanding Payroll Code Misalignments and Operational Failures
Operational failures frequently occur when HR or payroll teams update pay codes without reviewing the legal plan document. For example, a company might introduce a new performance bonus code in payroll. If the system defaults to excluding 401(k) deductions on that bonus, but the plan document defines total W-2 earnings as eligible compensation, a compliance failure occurs.
Plan Document Definition (Gross W-2 Earnings)
- Base Salary (401k Deducted) ──────────> Compliant
- Bonus Pay Code (Deductions Skipped) ───> OPERATIONAL FAILURE
This error causes missed deferral opportunities for participants. Over multiple years, a single misconfigured pay code across dozens of employees creates a massive, compounding financial liability for the employer.
Calculating Out-of-Pocket Correction Costs for Plan Sponsors
When payroll miscalculations occur, employers must make affected participants whole. You cannot simply ask employees to retroactively return missed deferrals from past paychecks. Instead, the employer funds corrective contributions out of pocket.
Standard IRS correction methods require the plan sponsor to pay:
- Qualified Non-Elective Contributions (QNEC): A percentage of the missed deferral opportunity funded entirely by the company.
- Missed Employer Matches: The full matching contribution the participant would have earned on the missed deferral.
- Lost Earnings Adjustments: Calculated growth on missed contributions from the original pay date to the correction date.
“By counting active account balances rather than total eligible employees, growing businesses can legally delay expensive 401(k) audit requirements and protect operational cash flow.”
Correcting Compensation Errors under the IRS VCP
To fix operational errors, plan sponsors rely on the IRS employee benefit plan compliance program. Minor, recent errors often qualify for self-correction without formal IRS notification. However, multi-year discrepancies or significant compensation errors require formal submission through the Voluntary Correction Program.
Under VCP, the employer submits a formal proposal to the IRS detailing the failure and the proposed voluntary correction program 401k remedies. In certain cases where participants expected pay exclusions, sponsors can request retroactive plan amendments. Securing an approved compliance statement locks in tax protection and satisfies DOL auditors.
Establishing Proactive Internal Controls to Avoid Audits
Preventing payroll code 401k compensation errors requires continuous cooperation between HR, accounting, and payroll specialists. Plan sponsors should review their 401k definition of compensation rules whenever they update software or add pay categories.
Conducting an annual compensation audit prevents surprises during independent CPA reviews. Comparing total W-2 wages against total plan compensation for a sample of employees quickly uncovers hidden pay code discrepancies. Proactive alignment ensures accurate filings, safeguards participant balances, and eliminates unnecessary corporate expenses.
Protecting Plan Integrity Through Continuous Payroll Alignment
Resolving compensation discrepancies requires vigilance, clear internal communication, and routine audits between HR and payroll departments. By taking advantage of the IRS Employee Plans Compliance Resolution System (EPCRS) and conducting annual code-by-code reconciliations, plan sponsors can identify and fix operational failures before auditors uncover them. Addressing definition of compensation errors proactively protects your plan’s tax-qualified status, satisfies Department of Labor compliance standards, and ensures participants receive the exact retirement contributions they are legally owed.
Mastering Participant Thresholds for Efficient Plan Governance
Navigating retirement plan audit requirements does not need to drain corporate resources or derail your annual financial budget. By mastering the active account balance methodology and taking full advantage of the 80-120 safe harbor rule, finance leaders can accurately anticipate compliance obligations and strategically defer audit expenses. Routine account cleanups, force-out distributions for terminated workers, and continuous monitoring on the first day of the plan year ensure complete compliance, shield your organization from steep regulatory fines, and preserve valuable capital for core business expansion.
Disclaimer: This article provides general information and should not be considered professional financial or tax advice. Please consult with a qualified CPA or financial advisor for guidance specific to your individual business needs.
Questions?
Jackie leverages her experience in audit, review, and compilation services across multiple industries to serve clients, including those requiring specialized employee benefit plan audits. She applies her audit skills to a variety of engagements, encompassing many of the firm’s client engagements since joining the firm in 2019, ensuring compliance and financial accuracy across diverse sectors, including employee benefit plans.