Ask ten logistics providers whether they are GDP compliant and ten will say yes. Ask what their route qualification covers and the answers diverge sharply.
Qualified premises
Mapped chambers, with the mapping executed loaded and empty, in summer and winter. The probes then sit at the worst-case positions the mapping identified — not at the door, where they are easy to reach. Re-mapping happens on a cycle and after any material change to the racking or the plant.
Validated routes
A qualified route has been demonstrated to hold under worst-case ambient and worst-case dwell. That means a summer trial with a deliberate delay built in, not a spring trial on a good day. If the lane cannot survive the worst case on paper, it will not survive it in August.
A responsible person with authority
This is the part that is hardest to fake. GDP requires someone with the authority to hold product, and that authority has to be real: independent of the operations line, able to stop a delivery that operations wants to make. If quality reports to the person whose bonus depends on on-time delivery, the system does not work.
A deviation system that closes
- Every excursion raises a record, automatically, from the logging system.
- The record requires a root cause, not a description.
- It requires an impact assessment against the specific product and its stability data.
- It stays open until a corrective action is defined and signed.
Why this costs money
Because doing it properly means occasionally holding product that would probably have been fine, re-running mappings that will probably pass, and staffing a quality function that generates no revenue. That cost is the service. A quote that does not include it is quoting for something else.