Temp Worker Injured? Who Logs It: You or the Staffing Agency?

Two employers, two different obligations

Every temp assignment creates a co-employment relationship: the staffing agency is the employer of record for payroll, taxes, and workers' comp, while the host site directs the actual work. Most ops managers assume that split carries over cleanly into safety recordkeeping — agency handles the paperwork, we handle the floor. It doesn't work that way.

OSHA recordkeeping and workers' comp are separate systems answering separate questions. Workers' comp asks who pays the claim. OSHA's 300 log asks who was in a position to control the exposure. Those two answers frequently point to different companies, and that mismatch is exactly where plant safety coordinators get caught flat-footed during an audit or a client walkthrough.

The supervision test decides the log

OSHA's recordkeeping rule uses a day-to-day supervision test. If your supervisors are the ones assigning tasks, setting the pace, and directing how the work gets done on the floor, the recordable injury belongs on your OSHA 300 log — not the staffing agency's — even though the worker's paycheck and comp claim run through the agency. The agency generally does not log an injury that happened under your direct supervision.

That surprises a lot of first-time users of temp labor, because it feels backwards: the company that isn't cutting the paycheck is the one carrying the recordable. But it's consistent with the logic of the whole rule. Recordkeeping exists to track hazard exposure where it happens and who controls it, not who administers benefits.

The exception is on-site programs where the staffing agency embeds its own coordinator to directly supervise a crew — more on that below. Outside of that setup, if your leads are running the line, the log responsibility runs with you.

First aid vs. recordable: don't leave it to the shift lead's gut call

Say a temp on your pack line strains a shoulder lifting a tote and reports it to the shift lead at 2 p.m. The shift lead sends her to a first aid station, she gets ice and returns to light duty, and nobody thinks about it again. Two weeks later she sees a doctor on her own, gets work restrictions, and now you've got a recordable injury with a documentation gap and no timely notice to the agency for the comp side.

The fix isn't more training for shift leads on OSHA definitions — it's a written decision tree that takes the judgment call off their plate. Any injury involving more than basic first aid, any restriction on duties, any loss of consciousness, or any request for outside medical care triggers an automatic notification to your safety coordinator and the staffing agency's branch contact, same day, regardless of how minor it looks on the floor.

The agency needs that notice quickly for two reasons that have nothing to do with your log: it starts their workers' comp claim clock, and if the injury pattern suggests something wrong with equipment, PPE, or a process you supplied, they'll want to flag it before it happens to the next person you request.

Put the reporting protocol in the staffing agreement, not just in your head

If your incident-reporting process for temp workers exists only as tribal knowledge with your longest-tenured supervisor, it disappears the day that supervisor leaves. Put it in writing as part of your staffing agreement or a standalone safety addendum: who calls whom, within what window, using what form, and who owns follow-up documentation.

A workable clause covers four things: immediate notification triggers (the decision tree above), a shared incident report form both parties sign off on, a defined data-sharing arrangement so the agency can flag exposure trends across your site over time, and clear language on who retains OSHA 300 log entries versus workers' comp files. None of this requires legal creativity — it's the same kind of specificity you'd expect in a fill-guarantee clause, applied to safety instead of speed.

This also protects you in a multiemployer worksite citation scenario. OSHA can cite a host site as the "controlling employer" for a hazard it had the authority to fix, even if the injured worker was technically the agency's employee. A documented, jointly-agreed protocol is evidence that you were actively managing shared responsibility, not ignoring it.

The on-site coordinator wrinkle

If you run a high-volume program where the staffing agency places a dedicated on-site coordinator to directly manage a temp crew — common in large DCs and seasonal surge operations — supervision can shift back toward the agency for that specific crew, which can shift recordkeeping responsibility along with it.

Don't leave this ambiguous. If you use an on-site model, get it in writing which party is the day-to-day supervisor of record for that crew, and revisit it any time the coordinator's role changes from managing people to just managing a timeclock. A coordinator who runs attendance and scheduling but takes direction from your production supervisor on task assignment is a different supervision picture than one who runs the line independently.

A quick check for your next vendor review

Ask your staffing partner three things at your next quarterly review: how fast do they expect same-day notice on a floor injury, what does their incident report form capture that yours doesn't, and can they show you injury trend data across the assignments they've staffed at your site. An agency that can't answer cleanly is one you're carrying more OSHA and comp risk with than you realize.