Sector · Manufacturing and factories
Manufacturing time and attendance: three shifts, overtime and safety certificates
In production, what makes the timesheet hard is not headcount but the number of rules: night shifts, shift handovers, overtime in order peaks, expiring training certificates. The system applies these rules as records are made.
The core of factory attendance: rules
In a plant running around the clock, three shifts on one day means three separate calculations. The law sets separate limits for night-shift workers; overtime in an order peak approaches the annual cap; overtime written up by a shift supervisor can also be the source of favouritism claims.
Terminal-based attendance is common in these plants and some still read fingerprints. Since KVKK principle decision 2026/921, biometric data cannot be processed for working-time tracking; you do not have to scrap the device, but identity verification has to move to another method.
A sample three-shift pattern and its limits
A 30-minute rest break is assumed in every shift; rest breaks do not count as working time (art. 68).
| Shift | Net work | Night shift? | What needs attention |
|---|---|---|---|
| 06:00–14:00 | 7.5 hours | No | 11 hours’ rest for a worker coming off the night shift |
| 14:00–22:00 | 7.5 hours | No — less than half at night | Missed clock-outs at handover |
| 22:00–06:00 | 7.5 hours | Yes | Night work should not exceed 7.5 hours (art. 69); no overtime on this shift (art. 41) |
Night shift: a shift in which more than half of the work falls between 20:00 and 06:00 (regulation on work in shifts). Art. 69 of Law 4857 also requires night and day shifts to be worked in rotation; build the rotating roster accordingly.
How the system works in the plant
Shared tablet by the turnstile
Instead of a card terminal, a shared tablet at the gate: staff pick their name and enter a PIN; a photo if the company wishes.
Shift supervisor role
A company-specific role is defined; the shift supervisor sees only their own line’s staff and gives the first overtime approval.
Two-stage overtime
First approval by the shift supervisor, final approval by the production manager; the same person cannot give both and nobody approves their own request.
270 hours and worker consent
An approval that would exceed the cap is not accepted; overtime cannot be approved for a worker with no recorded overtime consent.
Safety certificates
Health-and-safety training, medical check and operator licence notify the manager 30 days before expiry and on expiry.
Absence risk analysis
A statistical score whose factors are listed openly; no data is sent to an external AI service.
When manufacturers ask
Can overtime be recorded for a worker on the night shift?
No. Art. 41 of Law 4857 says overtime cannot be worked on night work; the system stops the overtime request of a worker on a night shift at request stage. A night shift is one in which more than half of the work falls between 20:00 and 06:00.
Can a shift supervisor approve their own team’s overtime?
With two-stage approval on, the shift supervisor gives the first approval and an authorised manager the final one; the same person cannot give both. Each approval is recorded with the uplift amount at the time of approval and who · when.
We have card turnstiles; does the system connect to them?
Connecting turnstiles is not part of standard onboarding today; if needed, it is assessed separately during discovery. The turnstile can stay as access control while working time is recorded from the shared tablet at the gate or by QR.
Can the medical report of a night-shift worker be tracked?
Art. 69 of Law 4857 requires a report showing that a worker’s health is suitable for night work before they work night shifts. The system’s mandatory document tracking follows the medical check’s expiry and notifies the manager 30 days before; the report itself is obtained through the workplace physician.
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