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Bettesworth Construction
certified payroll

How to Document Subcontractor Labor Compliance Across a Construction Project

Connect contract requirements to each subcontractor, worker, payroll, and closeout record—with a separate process for OSHA injury-log responsibility.

By Bettesworth Construction Team 8 min read
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Build one traceable file for each project that connects its labor requirements to every subcontract tier, each worker’s classification and hours, the wages and fringe benefits paid, any corrections, and the final closeout records. First determine which rules apply: Davis-Bacon and Related Acts (DBRA) cover certain federally funded or assisted construction, not every public or private job. Then flow covered requirements through the subcontract chain, collect source records as well as certified payrolls, review exceptions, and retain the file for the required period.

Which labor requirements apply to this project?

Before requesting payroll, identify the project’s funding source, construction scope and location, signed contract clauses, applicable wage determination and modifications, and agency or funding-recipient procedures. Record the conclusion in a short project applicability note and keep the documents that support it with the contract file. Check state and local prevailing-wage, payroll, apprenticeship, notice, and retention rules separately; they may add requirements beyond the federal baseline.

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Do not infer DBRA coverage from the word “construction,” the owner’s identity, or a subcontractor’s use of a certified-payroll form. The U.S. Department of Labor’s DBRA overview explains that coverage depends on the applicable federal assistance statute and contract requirements. DOL also notes that labor standards clauses and wage determinations can apply by operation of law in some covered cases even if omitted from a contract. If a clause appears to be missing, ask the agency or qualified counsel how to handle the specific contract rather than treating the omission as a waiver.

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The wage determination and labor clauses are the reference point for later decisions about classifications, rates, fringe benefits, and required flow-down terms. Preserve the executed prime contract, funding documents, clauses, wage determination and revisions, scope description, project jurisdiction, and agency instructions together.

How do I create a subcontractor flow-down and responsibility trail?

For a covered DBRA project, the prime must include the labor standards clauses in its subcontracts and require lower tiers to flow them down. DOL Fact Sheet #66C (October 2023) states that prime contractors are ultimately responsible for compliance with the covered contract clauses by upper- and lower-tier subcontractors. A prime therefore needs a way to see not only its direct subcontractors, but also the lower tiers performing covered work.

Maintain a subcontractor register

Keep one register that identifies each firm and its place in the contracting chain. Include the fields needed to connect its work and payroll to the project:

  • Prime, first-tier subcontractor, and lower-tier subcontractor names, with the tier relationship.
  • Scope of work, work location, contract start and end dates, and responsible contact.
  • Applicable labor clauses and wage determination, including relevant modifications.
  • Who receives that firm’s payroll and the route or system used for submission.

Keep signed subcontracts, amendments, modifications, extensions, bids or proposals, and evidence that required clauses were included at each tier. DOL’s DBRA recordkeeping guidance identifies covered contracts, subcontracts, and related documents as records to maintain.

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Assign the handoffs

Write down who collects worker and time data, prepares and certifies each payroll, reviews it, submits it to the agency or funding recipient, resolves discrepancies, and controls file access and retention. This responsibility matrix is a practical project control, not a separate DOL-prescribed form. It makes gaps visible before a missing lower-tier payroll becomes a closeout problem.

What records should I collect for each worker?

Collect source records that let a reviewer reconstruct what work was done, when it was done, how it was classified, and what the worker received. A certified payroll is a summary and certification; keep the underlying time, payroll, fringe, apprenticeship, and payment evidence that supports it.

Worker, time, and pay records

For covered DBRA work, DOL’s recordkeeping guidance calls for records including each worker’s name, address, last known telephone number and email address, and Social Security number; actual labor classification or classifications; hourly wage rates; bona fide fringe-benefit contribution rates or anticipated costs and how they were calculated; daily and weekly hours; deductions; and actual wages paid. When a worker performs more than one classification, record the hours worked in each classification rather than reporting only a blended total.

Fringe benefits and apprentices

If a contractor claims credit for fringe benefits, retain the supporting plan documents and contribution or cost records. For apprentices, keep written evidence of the apprenticeship program and the individual’s registration, together with the applicable ratios and wage rates. DOL investigation guidance identifies benefit-plan and contribution documents among the materials that may be examined.

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A useful worker-level record trail links the worker and subcontractor to the work dates and location, classification, daily time record, weekly payroll, proof of payment, and any fringe or apprenticeship support. Because this file includes sensitive personal information, restrict access to staff who need it and use project-approved secure channels for transmission. DOL identifies the information to retain; it does not prescribe a particular storage product.

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How do I submit and check weekly certified payroll?

For each week a contractor or subcontractor performs covered work, submit its certified payroll to the recipient and through the route required for that project. Under the DBRA framework described in DOL compliance guidance, weekly payrolls are due within seven days after the regular payment date for the payroll period. Follow the contract and funding recipient’s procedures for the project’s actual submission channel and any additional instructions.

Prepare the certification

Each payroll must include the required information and a signed Statement of Compliance. The federal WH-347 form is optional: a contractor may use another format if it contains the required information and includes an identical Statement of Compliance. The statement certifies, among other things, that the payroll information is correct and complete and that workers received the required wages and fringe benefits for the classifications performed.

The signer must be the contractor or an authorized agent who pays or supervises wage payment and can attest to the work, hours, classifications, and wages. Legally valid electronic signatures and electronic submissions may be used subject to signature, system access, retention, and agency-procedure conditions. Confirm the recipient’s specific system requirements before relying on an electronic workflow.

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Track receipt and review

Use a submission log to record the payroll week, subcontractor and tier, date received, date reviewed, date submitted, recipient, correction status, and final accepted copy. This is a recommended control rather than a separate DOL form; it gives the project team a simple way to identify late, missing, or unresolved payrolls.

How should I review discrepancies and document corrections?

Compare payroll against the source records, not just against the prior week’s submission. DOL investigation guidance describes reviewing payroll completeness and accuracy against basic records and, where relevant, supporting fringe-benefit evidence. Prioritize entries that do not reconcile or that could indicate a wage or classification issue.

Flag and verify

  • Missing workers or weeks in which a subcontractor performed covered work but submitted no payroll.
  • Hours that appear implausible or do not match time cards, daily reports, or crew rosters.
  • Classifications inconsistent with the subcontract scope or observed work, or hours not separated when a worker performed multiple classifications.
  • Hourly rates below the applicable wage determination, or fringe credits without supporting records.
  • Unexplained deductions, arithmetic differences, or a missing Statement of Compliance signature.
  • Incomplete lower-tier submissions or questions about apprenticeship registration, ratios, or rates.

For a sample or flagged entry, compare the payroll with time cards, daily reports, crew rosters, pay records, subcontract scope, and fringe or apprenticeship documentation. Keep a note of what evidence was checked and what it established.

Preserve the correction trail

For each exception, record the issue, evidence reviewed, person responsible for resolution, any corrected payroll or supplemental payment, date closed, and any required agency notification. Do not silently replace a submitted payroll. Retain the original, the correction, its explanation, and the resubmission or receipt record so the file shows what changed and when.

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Who records a subcontractor injury on OSHA logs?

OSHA injury and illness recordkeeping is separate from DBRA wage compliance. Generally, the employer that actually supervises contract workers day to day records their recordable injuries, even when those workers are paid by another employer. OSHA’s April 25, 2017 interpretation of 29 CFR 1904.31 says the employer providing day-to-day supervision is responsible regardless of what the parties’ contracts say. The relevant facts are who supervises the details, means, methods, and processes of the work—not merely the wording of the subcontract.

When employers share responsibility in practice, coordinate so that the case is entered once by the employer actually providing day-to-day supervision. Establish a site incident notification path, identify the responsible employer based on actual supervision, and specify who tells whom and when. The correct employer should retain the incident facts, employer identity, date, location, brief description, and any required log or reporting information in its record system. OSHA encourages communication among host employers, contractors, and subcontractors at multi-employer worksites.

A separate OSHA provision addresses subcontractor injury-recordkeeping at certain major construction projects: the cited rule includes an initial total contract value of at least $1 million, along with firm employee-count and other applicability conditions. OSHA’s regulation text and the project facts must be checked before applying that provision; the threshold alone does not establish that it applies. The subcontractor employer retains its own injury-recordkeeping duties.

How long should I retain the project file?

For covered DBRA records, DOL’s current recordkeeping guidance sets a minimum of three years after all work on the prime contract is completed. This is the federal DBRA baseline, not a universal retention period for every document or project.

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Keep the contracts and modifications, worker and payroll records, certified payrolls and Statements of Compliance, source time records, fringe and apprenticeship evidence, exception and correction records, and submission proof together or linked through a reliable index. Ensure authorized project parties and regulators can retrieve records when required. Electronic systems are permissible under applicable signature, access, and retention conditions.

Check the contract, funding terms, and each applicable jurisdiction for longer or different periods. OSHA records, medical or exposure materials, state and local payroll data, litigation holds, and other contract requirements may follow separate retention rules; do not assume the DBRA clock covers them all.

What should a payroll or compliance system be able to do?

Whether the project uses spreadsheets and secure file storage or a dedicated platform, evaluate the workflow against the actual contract and recipient requirements. A system can organize evidence and reminders, but it does not decide whether DBRA applies, whether a classification is correct, or which employer OSHA treats as the day-to-day supervisor.

  • Collect records across multiple subcontractor tiers and associate them with the correct project and contract.
  • Capture hours by classification and support applicable wage and fringe calculations.
  • Preserve signed certifications, submission receipts, and correction histories.
  • Reconcile payroll entries with source time records and export in the agency-required format.
  • Retain and retrieve records for the applicable period, with role-based access for sensitive worker information.
  • For incident workflows, identify the responsible employer based on actual supervision, capture incident facts, coordinate notifications, and preserve the correct employer’s OSHA record.

Confirm these capabilities with the vendor and contracting agency. The compliance obligations come from the applicable rules and project documents, not from the software.

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