Model hazmat training as a per-person, per-function authorization row

A warehouse can answer "can this person handle this hazmat shipment today" as a database lookup if the training record is modeled as one authorization row per person and function, with an explicit expiry predicate. The rule text already supplies every field that row needs. The row is per person and per function, not per person 49 CFR 172.702(a)... Weiterlesen: Model hazmat training as a per-person, per-function authorization row