Payroll data governance failures—not software—cause costly errors. David’s team overpaid $27,000 because a $103,000 offer letter was transcribed as $130,000 in the HRIS with no validation in place. Three missing controls—named data steward, cross-system reconciliation, and threshold alerts—let that error run for multiple pay cycles.

When David’s team discovered the $27,000 overpayment, every conversation turned to the payroll platform. The platform was fine. The failure was upstream—in the manual handoff between an applicant tracking system and an HRIS, and in the absence of any governance structure to catch errors before they became checks.

This post breaks down the five controls that would have stopped that error and how to build them into any mid-market HR operation. For the full case study, see The $27K Overpayment: How One HRIS Data Entry Mistake Cost a Manufacturer a Year of Salary.

1. Assign a Named Data Steward for Every Compensation Field

David’s organization had no designated owner for the compensation field in the HRIS. Responsibility was assumed to belong to everyone involved in the hire—recruiter, HR generalist, payroll processor. In practice, that meant no one validated the figure against the offer letter before the first paycheck ran.

A named data steward for compensation changes one outcome: there is one person whose job it is to verify the HRIS compensation field matches the source document before any new hire clears the payroll queue. The role requires a documented assignment and a process step that cannot be skipped—not a new hire or a title change.

• Who owns it: One person per hiring pipeline (not per hire) designated as the compensation field steward
• What they verify: HRIS entry matches the offer letter signed by the candidate
• When they verify: Before the employee clears the pre-payroll queue—not after onboarding documents are complete
• How it’s tracked: A required field in the HRIS or a checklist item in the onboarding workflow, timestamped and attributed to the steward

Steward assignment is the single most effective control against the category of error that cost David’s team $27,000. Every other control on this list assumes this one is already in place.

2. Build Cross-System Reconciliation Before Every Payroll Run

David’s ATS and HRIS did not integrate. Compensation data moved manually between them at hire. No reconciliation report existed to compare what the ATS recorded on the offer against what the HRIS stored in the compensation field before payroll ran.

Cross-system reconciliation catches transcription errors that steward verification misses—and it runs automatically, not on human memory. The mechanics depend on your stack:

• If systems have APIs: Build a scheduled Make.com scenario that pulls compensation records from both systems 48 hours before payroll runs and flags any mismatch above a defined threshold for human review
• If systems are not integrated: Export a compensation report from each system before every payroll cycle, compare them in a structured template, and require a documented sign-off that all discrepancies have been investigated
• What to compare: Base salary, hourly rate, effective date, and pay frequency—every field that feeds the payroll calculation
• What triggers escalation: Any variance on a compensation field entered within the last 90 days, regardless of dollar amount

See How a Non-Technical HR Team Started Building Their Own Automations With Make + AI for a practical starting point on automating this reconciliation step without a developer.

3. Configure Threshold Alerts on All Compensation Changes

The difference between a $103,000 offer and a $130,000 HRIS entry is a 26% variance. No alert fired because no alert existed. Threshold alerting is the automated backstop that catches outlier data entries before they run through payroll—and most HRIS platforms include the capability out of the box. The configuration step is rarely completed.

These are the thresholds worth setting first:

• New hire compensation entries: Alert when the entered figure deviates more than 10% from any approved offer letter figure on file
• Compensation change events: Alert on any single-cycle increase above a defined dollar or percentage threshold—15% or $10,000 is a reasonable starting point for most mid-market operations
• Manual field edits: Alert when a compensation field is edited outside of a standard workflow—i.e., directly by an admin rather than through an approved change process
• Payroll preview exceptions: Require a secondary review signature on any paycheck that exceeds the prior period by more than a defined amount

If your HRIS does not support threshold alerting natively, a Make.com scenario can monitor the compensation field via API and route exceptions to the appropriate reviewer before payroll processes. For a comparison of what native controls catch versus what they miss, see HRIS Required Fields vs Manual Data Validation: Which Is Safer for Small HR Teams?

4. Eliminate Manual Handoffs Between Recruiting and HRIS

The root cause of David’s error was a manual data transfer. A recruiter copied a compensation figure from the ATS into the HRIS at the point of hire. That single human action—unsupported by validation—was the only control between an accepted offer and the first paycheck.

Manual handoffs between systems with no integration are high-probability error zones. Parseur’s Manual Data Entry Report documents human error rates of 1%–4% per transaction in manual entry workflows. In a hiring pipeline processing dozens of offers per quarter, that baseline rate guarantees periodic discrepancies. The question is not whether errors occur—it is whether the governance structure catches them.

Eliminating the manual handoff requires one of three approaches:

• Native integration: If your ATS and HRIS support a direct integration, configure it and restrict manual compensation field editing to exception cases only, with steward approval required for any override
• Automated bridge: Build a Make.com scenario that triggers on offer acceptance in the ATS, extracts the approved compensation figure, and writes it to the HRIS record—with no human copy step between the two systems
• Structured import: If neither option is feasible, create a structured CSV import template with required fields and validation rules, and prohibit freeform HRIS data entry for new hire compensation entirely

The goal is not to add more review steps to a broken manual process. It is to remove the manual step and replace it with a controlled, traceable data flow where errors cannot enter silently.

5. Conduct a Data Lineage Audit After Every Payroll Error

When David’s team discovered the overpayment, the immediate question was how to recover the money. The more important question—how did this error enter the system and survive multiple pay cycles?—required a data lineage audit to answer. Without that audit, the same gap remains open for the next hire.

A data lineage audit traces a specific data element backward through every system it touched: where it was created, where it was copied, what validations it passed through, and who reviewed it at each step. For a payroll error, this audit answers the root cause question that prevents recurrence.

Standard lineage audit steps for a compensation error:

1. Identify the source document—offer letter, compensation approval email, or board resolution
2. Document the approved value in that source and its approval chain
3. Trace every system that received the value after approval: ATS record, HRIS compensation field, payroll system input
4. Note each point where the value was entered manually versus transferred systematically
5. Identify which controls were configured at each point and whether they fired
6. Document the specific gap between where an alert should have triggered and where it did not

An OpsMap™ discovery session structures this audit as a formal process map—documenting every data handoff, every system involved, and every validation gap before recommending a control structure. See What Is OpsMap? The Discovery Step That Prevents Automation Mistakes for how that process applies to HR data flows.

Frequently Asked Questions

What is payroll data governance?

Payroll data governance is the set of policies, ownership assignments, validation rules, and reconciliation processes that control how compensation data moves from source documents into payroll systems. Strong governance defines who owns each data field, what validates each entry, and what triggers an alert when data falls outside expected parameters before payroll runs.

How did a single data entry error produce a $27,000 overpayment?

David’s team entered a $103,000 offer letter compensation figure as $130,000 in the HRIS. The $27,000 difference ran through multiple payroll cycles before anyone detected it. No reconciliation report compared the HRIS figure to the offer letter. No threshold alert fired on the 26% variance. Recovery attempts after discovery triggered a resignation, compounding the total cost.

What does a compensation data steward actually do?

A compensation data steward is a named individual responsible for verifying that the figure in the HRIS compensation field matches the approved offer letter before a new hire clears the payroll queue. The role requires a documented assignment and a process step—not a separate headcount. The steward does not approve compensation; they confirm the data was entered correctly against the already-approved document.

Can Make.com automate payroll data reconciliation between disconnected systems?

Yes. Make.com scenarios can pull compensation records from both the ATS and HRIS via API, compare the values on a scheduled basis before each payroll run, and route any mismatch to a designated reviewer for investigation. This replaces a manual comparison step with an automated, traceable workflow that runs consistently every cycle—regardless of who is available to run it.