You closed out a rough patch: a production cutover, a client demanding daily standups at 7am, a weekend spent patching a broken pipeline. Your timesheet says 55 hours. Your brain is already spending the overtime check.
Then payroll runs and the number looks exactly like a normal 40-hour week. No error message. No apology. Just silence, because nobody told you that hour 41 was never guaranteed to be paid at all, let alone at time-and-a-half.
This is not a story about being cheated. It is a story about three documents you probably never read closely: your contract's overtime clause, the staffing vendor's purchase order, and your own exemption classification. Each one has a vote on whether those 15 extra hours turn into money.
Who Actually Decides If Hour 41 Gets Paid
There is no single answer, and anyone who tells you otherwise is guessing. The decision sits in the overlap of three things:
- The purchase order (PO) the client issued to the staffing firm, which caps total billable hours or dollars for the engagement
- Your engagement type — W-2 hourly, W-2 salaried, corp-to-corp, or 1099 — which determines whether overtime rules apply to you at all
- Your exemption status under the Fair Labor Standards Act (FLSA) and your state's wage-and-hour law, which determines whether unpaid overtime is even legal
Skip any one of these and you are negotiating blind.
The PO Cap: Your Real Ceiling
Most staffing engagements run against a purchase order the end client's procurement team issued to the vendor. That PO has a dollar ceiling and often a stated hours ceiling per week or per period. It exists so the client's finance department does not get a surprise invoice.
Here is what matters for you: your recruiter or account manager cannot authorize hours beyond that PO without going back to the client. If you work 55 hours and the PO only funded 40, someone in the chain — often the vendor, sometimes the client's hiring manager — is now personally exposed for unbudgeted spend. That is exactly the scenario where timesheets get quietly trimmed back to 40 during approval, regardless of what you actually worked.
Before you work a heavy week, ask whether the PO has room. If it does not, working the extra hours does not create money out of nothing. It creates a billing dispute that you are not positioned to win after the fact.
Straight-Time vs Premium Overtime Language
Even when the PO has room, your contract's overtime clause decides the rate. These clauses use specific language, and the difference between them is real money.
| Engagement Type | Typical Overtime Treatment | What to Check |
|---|---|---|
| W-2 hourly, non-exempt | Premium overtime (commonly 1.5x) required by FLSA and state law past 40 hrs/week (California: past 8 hrs/day) | Confirm your pay stub shows the OT rate, not straight pay padded with extra hours |
| W-2 hourly, exempt (rare in staffing, but exists for some senior roles) | No overtime premium required | Ask HR directly which FLSA exemption category applies and get it in writing |
| W-2 salaried consultant | Salary often absorbs extra hours up to a stated ceiling (e.g., 45-50 hrs/week) with no additional pay | Read the offer letter for any hours ceiling and what happens above it |
| Corp-to-corp (C2C) | Overtime is a negotiated contract term, not a legal default; often billed straight-time only unless the MSA says otherwise | Check the Master Services Agreement and your own sub-agreement for any OT multiplier |
| 1099 independent contractor | No overtime protection; you are not an employee under FLSA | Rate should already reflect the risk of uncompensated extra hours |
Notice that "contract" and "C2C" rows do not default to time-and-a-half. If your rate sheet or SOW does not explicitly say overtime is billed at a premium, assume it is not, until someone in writing tells you otherwise.
Exempt, Non-Exempt, and Why It Matters
Whether you are legally entitled to overtime pay at all depends on your FLSA exemption status, and this is genuinely fact-specific. It depends on your actual job duties, your salary level, and which state you are working in — not just your job title or how your offer letter labels you.
Several states layer stricter rules on top of federal law. California requires daily overtime past 8 hours in many cases, not just weekly overtime past 40. New York has its own salary thresholds for exemption that differ from the federal minimum. These differences are exactly why this piece will not tell you "you are owed overtime" — that determination has to come from your actual contract terms, your employer, and your state's labor department.
If you are unsure of your status, the U.S. Department of Labor's Wage and Hour Division publishes exemption fact sheets, and most state labor department websites have a dedicated overtime page. Both are free and faster than guessing.
The One Email to Send Before a Heavy Week
Send this before you work the hours, not after. Verbal approval from a project manager who has no budget authority is worth nothing when the invoice gets disputed.
- Address it to your staffing account manager and copy your client-side manager if appropriate
- State the specific week and the hours you anticipate working above 40
- Ask directly: does the current PO have hours or dollars available to cover this, and at what rate?
- Ask whether pre-approval is required before the hours are worked, and if so, request it in writing
- Save the reply. It is your evidence if the timesheet gets questioned later
A two-line reply of "yes, approved, straight time" is not glamorous, but it is the difference between getting paid for hour 55 and having an argument about it three weeks later.
If you are sorting through a heavy-hours engagement or trying to understand how your own contract treats overtime, the team at Josh Pros LLC is happy to walk through the specific language with you. Reach out at contact@joshpros.com or visit https://joshpros.com.
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