Lou Perez
Mar 25, 2025

How Does Certified Payroll Work? A Step-by-Step Guide for Government Contractors

Payroll
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Introduction to Certified Payroll

Certified payroll is a crucial process for government contractors, particularly those working in construction. It involves submitting a weekly payroll report using Form WH-347 to ensure compliance with labor laws, including the Davis-Bacon Act. This act mandates that workers on federally funded construction projects receive fair wages and benefits.

For government contractors, staying compliant is essential to avoid penalties and maintain good standing. Understanding certified payroll helps ensure that your payroll practices align with federal requirements, protecting your business and employees.

In this guide, we'll provide a comprehensive look at how certified payroll works and offer a step-by-step approach to seamlessly navigating the process.

Understanding Certified Payroll Requirements

What is Certified Payroll?

Certified payroll is a detailed report used by contractors working on government-funded projects. When a company takes a contract that involves federal funding, such as construction projects, they must comply with certain labor laws.

Certified payroll is a weekly report submitted to the government that verifies that a company's employees are being paid according to legal requirements. It involves more than just ensuring employees are paid; it also involves documenting hours worked, wages earned, overtime, and deductions. These reports are critical in ensuring labor law compliance and providing transparency in the payment process.

Who Needs to Submit Certified Payroll?

Not everyone needs to go through the certified payroll process. Submission of these reports is typically required for contractors and subcontractors working on federally assisted construction projects that exceed $2,000 in value. This obligation is predominantly tied to construction, alterations, or repairs, which may include painting and decorating.

Furthermore, it often applies to projects that utilize federal grants, loans, or government loans. The requirement ensures all project workers are paid fair wages and receive overtime compensation, complying with federal labor standards.

Key Laws and Regulations

Several key laws and regulations govern the requirements for certified payroll. The primary legislation is the Davis-Bacon Act, which mandates that laborers and mechanics on federal contracts are paid at least the locally prevailing wages and benefits for corresponding work on similar projects.

The Copeland "Anti-Kickback" Act complements this by prohibiting contractors from inducing employees to give up any part of their earnings as a kickback. The Contract Work Hours and Safety Standards Act requires contractors to pay overtime for any hours worked over 40 a week. Adhering to these laws is essential for contractors to avoid penalties and fines.

How Certified Payroll Compliance Impacts Government Contracts in Construction | Know more

Preparing to Complete Certified Payroll

Gathering Necessary Documents

Gathering the necessary documents is essential before you can complete a certified payroll report. This process includes collecting:

  • Employee records: Names, social security numbers, job classifications, and hours worked.
  • Wage rates: Verification that the wages match those reported on the certified payroll report.
  • Payroll records: Documenting each employee's gross wages, deductions, and net wages.
  • Any relevant fringe benefit records: Details of benefits that are part of the employees' compensation.

Ensuring you have all the necessary information at your fingertips will streamline the process and help avoid errors in your reporting.

Understanding Prevailing Wage Rates

Understanding prevailing wage rates is a critical aspect of preparing certified payroll. The prevailing wage is the average wage paid to similarly employed workers in a specified area, often determined by the Department of Labor.

For government contracts, these rates are not just a suggestion—they are a requirement.

Contractors must familiarize themselves with the prevailing wage rates relevant to their contract and their project location to determine the appropriate pay rates for their workers. Information on prevailing wage rates can be accessed through local government databases or the Department of Labor's website.

Setting Up Payroll Records

Setting up accurate payroll records is an important step in the certified payroll process. This involves establishing a system that can effectively capture and maintain all necessary information. Here is a simple structure to follow:

  • Use payroll software or templates that allow for comprehensive record-keeping and easy retrieval.
  • Ensure that all employees are categorized correctly with their job classifications based on prevailing wage requirements.
  • Track hours worked daily, ensuring that any overtime is accurately recorded.
  • Document all labor costs, including hourly wages, fringe benefits, deductions, and reimbursable allowances.

Proper payroll record setup ensures compliance, aids in smooth certified payroll report preparation, and helps avoid any penalties associated with inaccurate reporting. By developing efficient processes, contractors can focus more on the project while maintaining compliance with federal regulations.

Setting up these documents and understanding the intricacies of prevailing wages and payroll records will facilitate a smoother experience as you submit certified payroll for government contracts.

Completing the Certified Payroll Report

Navigating the world of certified payroll can be daunting for government contractors, especially those working in the construction industry. Understanding the process of completing the certified payroll report is crucial to helping you avoid compliance issues. This guide will walk you through the essentials, making the task less daunting.

Filling Out the WH-347 Form

Weekly Certified Payroll Form

The cornerstone of certified payroll is the WH-347 form, which captures the payroll information for workers on government-funded projects. Here's a step-by-step breakdown of how to fill it out:

  • Employee Information: Each employee's full name and social security number must be recorded. This information is necessary to accurately track who worked on the project.
  • Work Classification: Clearly define and code the type of work each employee performs, like "Carpenter" or "Electrician." This classification is linked to the prevailing wage rates.
  • Work Hours: Record the total hours worked each day and the total for the week. This includes overtime hours, which must be distinctly marked.
  • Rate of Pay: Include the hourly wage paid to each worker. Pay special attention to the fact that rates must align with or exceed the local prevailing wage rates.
  • Deductions and Additions: Accurately record any deductions and additions to payroll. This could include tax deductions, union dues, or fringe benefits.
  • Net Wages Paid: Each employee's weekly net wages should be accurately documented after all additions and deductions.

Filling out this form appropriately safeguards against error and ensures that each step of the payroll process is transparent.

Including All Required Information

Completing the WH-347 form means including all necessary details to satisfy compliance standards. Here are key elements you must not omit:

  • Project and Contractor Information: Indicate the project identifier, contractor information, and any subcontractors involved. This helps differentiate between different ongoing projects.
  • Payroll Period: Specify the start and end dates for the payroll period covered by the form.
  • Statement of Compliance: Attach a signed statement of compliance with the report. This statement confirms that the wages reported are true and there are no undisclosed deductions.

The accuracy and completeness of this information is vital. A well-documented certified payroll report helps in a smooth auditing process and reflects a responsible approach to labor compliance.

Common Mistakes to Avoid

Despite the straightforward process, contractors encounter frequent pitfalls when managing certified payroll. Here are some common mistakes to watch out for:

  • Misclassification of Workers: Ensure each worker is classified correctly according to their job duties. Misclassification could result in non-compliance and possible penalties.
  • Incorrect Wage Calculations: Double-check that prevailing wage rates are met or exceeded for each work performed. Keep abreast of local wage determinations.
  • Inaccurate Hour Tracking: Maintain meticulous records to avoid errors in documenting hours worked. Discrepancies here may trigger audits or penalties.
  • Neglecting Fringe Benefits: Report all fringe benefits correctly, as these are part of the total compensation package under prevailing wage laws.

Avoiding these common mistakes ensures your operations remain compliant and efficient, allowing you to focus more on completing projects rather than dealing with potential legal issues.

Common Challenges Faced in Certified Payroll Management for Construction Companies | Know more

Submitting and Maintaining Certified Payroll Records

Once the certified payroll report is completed, the next crucial step is the submission and maintenance of these records.

Here's how to efficiently manage this process:

  • Timely Submission: All certified payroll records must be submitted to the relevant government entity within the stipulated time frame, often weekly. Ensure timely submissions to avoid penalties.
  • Appropriate Channels: Verify the correct submission channels for your project, whether electronic platforms or physical document submissions are required.
  • Record Storage: Maintain comprehensive records for at least three years after the project completion date. This archival is essential for potential audits or legal verifications.
  • Regular Updates: KTrackany changes in regulations to ensure your reporting process remains up-to-date. Regular training sessions can help keep staff informed of any updates or changes in wage determinations.

By handling the submission and maintenance process carefully, you reinforce your adherence to labor compliance standards and demonstrate operational integrity.

Understanding how certified payroll works helps maintain compliance and builds a foundation of trust between the contractor, the workforce, and the government. By following these practices, government contractors can manage their payroll process more effectively, avoid common pitfalls, and focus on delivering quality work on government projects.

Lumber Payroll: A Specialized Solution for Certified Payroll Compliance

For construction contractors navigating the complex landscape of certified payroll, Lumber Payroll emerges as a specialized solution designed to streamline the compliance process. By offering automated tools that help track prevailing wage rates, accurately classify workers, and generate precise WH-347 forms, Lumber Payroll can significantly reduce the administrative burden of certified payroll reporting. The software can automatically calculate correct wage rates, track hours worked across different job classifications, and ensure that all necessary documentation is captured with minimal manual intervention. This technological approach helps contractors maintain compliance with Davis-Bacon Act requirements, minimize errors, and focus more on project execution rather than administrative paperwork.

Navigating the certified payroll process is crucial for government contractors to ensure compliance with federal labor laws. By understanding the necessary steps and maintaining accurate records, contractors can avoid potential penalties and enhance their reputation in the industry. Make sure to:

  • Regularly update payroll records for accuracy.
  • Submit certified payroll reports on time to the relevant authorities.
  • Stay informed about changing labor laws and requirements.

With careful attention to detail and a systematic approach, government contractors can efficiently manage their certified payroll responsibilities and contribute to fair labor practices.

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Mandatory Deadlines | Internal Review/Best Practice 
Critical Construction Compliance | Awareness Week
January 2026
Jan 2, 7, 9, 14, 16, 21, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Thursday, Jan 15, 2026
Deadline for December 2025 Monthly Depositor Tax Liabilities
Monday, Feb 2, 2026
(Standard Jan 31 deadline shifted to next business day as it falls on a weekend)
1. File Form 941 (Employer's Quarterly Federal Tax Return) for Q4 2025
2. Distribute Form W-2s to employees for 2025
3. Distribute Form 1099-NEC to subcontractors for 2025
4. File Form W-2s with the Social Security Administration (SSA)
5. File Form 1099-NEC with IRS
6. File Form 1096 (summary of 1099s)
7. State Unemployment and Quarterly Wage Reports for Q4 2025
These reports are typically due Jan 31. Verify state-specific deadlines and file accordingly.
Annual Depositor Deadline (Form 944 Filers)
Annual depositors must file Form 944 and deposit taxes with the return by this date. 
February 2026
Feb 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Tuesday, Feb 10, 2026
Extended deadline to file Form 941 (Q4 2025)
Only if all Q4 2025 federal tax deposits were made on time.
Tuesday, Feb 17, 2026
Deadline for January Monthly Depositor tax liabilities
(Feb 15 is a Sunday and Feb 16 is President’s Day)
March 2026
Mar 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Mar 2, 2026
File Form 1099-MISC with the IRS (paper filing)
(Standard Feb 28 deadline shifted to next business day)
Monday,
Mar 16, 2026
Deadline for Feb Monthly Depositor tax liabilities
April 2026
Apr 1, 3, 8, 10, 15, 17, 22, 24 & 29
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Wednesday
Apr 15, 2026
Deadline for March Monthly Depositor tax liabilities 
Thursday, Apr 30, 2026
1. File Form 941 for Q1 2026
2. File State Quarterly Wage Reports (Verify state-specific deadlines)
Internal Compliance Review: Review certified payroll reports and compliance for Q1.
Certified payroll reports are due WEEKLY for prevailing wage projects.
May 2026
May 1, 6, 8, 13, 15, 20, 22, 27 & 29
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Friday, May 15, 2026
Deadline for April Monthly Depositor tax liabilities
June 2026
Jun 3, 5, 10, 12, 17, 19, 24 & 26
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Jun 15, 2026
Deadline for May Monthly Depositor tax liabilities 
Tuesday, Jun 30, 2026
1. Mid-year review of workers' compensation insurance
2. Review certified payroll compliance for prevailing wage projects
Certified payroll reports are due WEEKLY for prevailing wage projects.
July 2026
Jul 1, 3, 8, 10, 15, 17, 22, 24, 29 & 31
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Wednesday, Jul 15, 2026
Deadline for June Monthly Depositor tax liabilities 
Friday, Jul 31, 2026
1. File Form 941 for Q2 2026
2. File state quarterly wage reports (Verify state-specific deadlines)
3. Review and update fringe benefit rates for union projects
August 2026
Aug 5, 7, 12, 14, 19, 21, 26 & 28
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Aug 17, 2026
Deadline for July Monthly Depositor tax liabilities 
(Aug 15 is a Saturday)
September 2026
Sep 2, 4, 9, 11, 16, 18, 23, 25 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Sep 7 - Sep 11, 2025
National Payroll Week
Take a moment to appreciate yourself this week. You deserve it.
Tuesday, Sep 15, 2026
Deadline for August Monthly Depositor tax liabilities 
Wednesday Sep 30, 2026
1. Review job costing and labor burden rates
2. Prepare for year-end certified payroll audits
October 2026
Oct 2, 7, 9, 14, 16, 21, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Thursday, Oct 15, 2026
Deadline for September Monthly Depositor tax liabilities 
November 2026
Nov 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Nov 2, 2026
1. File Form 941 for Q3 2026
2. File state quarterly wage reports (Verify state-specific deadlines)

Monday, Nov 16, 2026
Deadline for October Monthly Depositor tax liabilities 
(Nov 15 is a Sunday)
Monday,
Nov 30, 2026
Year-End Preparation:
1. Order W-2 and 1099 forms for year-end
2. Review subcontractor W-9s and update as needed
December 2026
Dec 2, 4, 9, 11, 16, 18, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Tuesday,
Dec 15, 2026

1. Final payroll of the year - verify all hours and classifications
2. Ensure all certified payroll reports are submitted for prevailing wage work
Certified payroll reports are due WEEKLY for prevailing wage projects.
3. Complete year-end workers' compensation audit paperwork
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