Why Does Certified Payroll Compliance Matter?
Certified payroll is more than a report — it’s proof that your company is paying workers correctly on public works jobs. Federal and many state prevailing wage laws require certified payroll submissions for any contractor or subcontractor working on a prevailing wage project. Errors in certified payroll can lead to payment delays, audit findings, back wage assessments, and even penalties.
This guide breaks down certified payroll into clear steps so payroll teams can process it accurately and confidently.

What Is Certified Payroll?
Certified payroll is a weekly report that shows:
- Who worked on a public works job
- What classifications they worked under
- Hours worked each day
- Wages and fringe benefits paid
- Whether the pay meets the prevailing wage requirements
The key difference between certified payroll and regular payroll is prevailing wage compliance — your team must show the Department of Labor (or state agency) that all covered workers received at least the required wage and fringe benefits for each hour they worked.
Step 1: How Do You Identify Prevailing Wage Coverage?
Before you process any payroll:
- Confirm whether the job is a prevailing wage (public works) project.
- Obtain the correct wage determination for the job’s location and classification. Wage determinations tell you the required base rate, overtime rules, and fringe benefit amounts.
Without the right wage determination, certified payroll cannot be done correctly.
Step 2: How Do You Classify Workers Correctly?
Worker classification determines the wage rates and fringe requirements that apply.
Common classifications include:
- Laborer
- Carpenter
- Electrician
- Plumber
- Power equipment operator
Classification determines which wage determination line applies to that worker on that job. Misclassification is one of the most common certified payroll errors teams make.
Step 3: How Do You Track Hours for Certified Payroll?
Certified payroll requires daily hours, not just weekly totals. Your payroll team needs:
- Timecards or electronic time records
- Clear regular vs. overtime hours
- Accurate job allocation if workers split time across projects
If hours are missing or inconsistent with time records, certified payroll reports will be rejected or audited.
Step 4: How Do You Calculate Wages for Certified Payroll?
Certified payroll requires:
Base Wage
The base wage must meet or exceed the rate on the wage determination for every hour worked.
Overtime
Overtime calculations are usually based on standard overtime rules (e.g., time-and-a-half for over 40 hours), but how overtime is applied can vary with state laws.
Fringe Benefits
Fringes can be paid in two ways:
- Employer contributions to a qualified benefit plan
- Cash payment in lieu of fringes
Your payroll system must separate base wages from fringe amounts.
Step 5: How Do You Prepare a Certified Payroll Report?
Most agencies use the WH-347 form (federal certified payroll). Many states have their own formats, but all certified payroll reports generally require:
- Employer and job details
- Worker names and classifications
- Daily hours worked
- Gross wages paid
- Fringe benefit amounts
- Payroll certification signature
Every week on prevailing wage jobs, you must submit certified payroll even if no work was performed that week.
eBacon Smart Webinar Series:
Understanding the 2025 Revised WH 347 Form
a Payroll Manager’s Guide
Watch this video and learn all about the new WH-347 certified payroll form and how to complete it [officially in effect since January 6, 2025].
Step 6: How Do You Review Certified Payroll Before Submission?
Always conduct a pre-submission review that checks:
- Wage rates match the wage determination
- Hours worked per day match time records
- Fringe amounts are allocated correctly
- Overtime is calculated accurately
A quick checklist for your team before submission can save hours of rework later.
Step 7: What Documentation Is Required for Certified Payroll?
Certified payroll requires recordkeeping. Typical documents to retain include:
- Timecards or electronic time data
- Payroll registers
- Wage determinations
- Fringe benefit contribution records
- Job cost reports
Maintain these records according to federal and state retention rules, typically 3 to 5 years.

What Are Common Certified Payroll Mistakes and How Can You Avoid Them?
Missing Wage Determination Updates
Wage determinations can change. Always use the latest version applicable to the job dates.
Wrong Worker Classification
Use consistent rules and documented job descriptions to assign classifications.
Incorrect Fringe Tracking
Fringes must be separated cleanly from base wages, even if paid as cash-in-lieu.
Overtime Miscalculations
Overtime must be calculated properly, and overtime premiums usually apply only to the base wage portion.
Unverified Time Records
Always reconcile timecards against certified payroll hours before submission.
How Can You Make Certified Payroll Easier?
Use a payroll system that:
- Pulls wage determinations automatically
- Segregates base wages and fringes
- Tracks daily hours and job allocations
- Generates certified payroll forms (WH-347 and state forms)
Training for supervisors and payroll staff on certified payroll requirements can dramatically reduce errors and audit findings. Weekly internal audits before submission are one of the best defenses against compliance issues.
What Happens After You Submit Certified Payroll?
Agencies may:
- Accept the report without comment
- Request corrections
- Conduct an audit
- Assess back wages or penalties
Many construction payroll teams use platforms like eBacon to manage wage determinations, separate base wages from fringes, and generate certified payroll reports in one place, which helps reduce manual errors and support audit readiness. Good documentation and proactive reviews reduce the likelihood of negative outcomes.
Certified Payroll FAQs
Do I have to submit certified payroll every week?
Yes — even if no work was done that week.
What wage determination applies?
The wage determination that was in effect when the contract was awarded usually governs the job.
What if a worker is paid more than the required wage?
That’s fine, as long as the worker still meets the prevailing wage requirements.
Can fringes be paid in cash?
Yes, but cash-in-lieu of fringes must be reflected accurately in payroll reports.
The material presented here is educational in nature and is not intended to be, nor should be relied upon, as legal or financial advice. Please consult with an attorney or financial professional for advice.