Key facts
Code summary
Code 522
Official title Support activities for transportation
Version PSIC 2019
Source layer PSA / BSP
Section H - Transportation and Storage
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PSIC 2019 Navigation-first hub Group 522 - Support activities for transportation
PSIC Group 522 covers Support activities for transportation. Direct children below it include Service activities incidental to land transportation, Cargo handling, and Other transportation support activities. It...
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About this level
Practical summary
Group 522 sits in the PSIC 2019 hierarchy under H Transportation and Storage > 52 Warehousing and Support Activities for Transportation. This group usually narrows the choice to a small family of classes such as Service activities incidental to land transportation, Cargo handling, and Other transportation support activities. It is useful when two or three neighboring activities look similar but should not be collapsed into one code.
Administrative context
Where this code is used
This group is used when reviewers compare a short list of classes such as Service activities incidental to land transportation, Cargo handling, and Other transportation support activities and need to decide which family is the closest fit. It is common in internal classification review and administrative lookup work.
Selection note
How to choose it
Use this group when the activity sits between similar classes such as Service activities incidental to land transportation, Cargo handling, and Other transportation support activities. The safest choice is the one whose wording matches the actual production, service or operating model most closely.
Official note
Source-backed description
This group includes activities supporting the transport of passengers or freight, such as operation of parts of the transport infrastructure or activities related to handling freight immediately before or after transport or between transport segments. The operation and maintenance of all transport facilities is also included.
FAQ
What does PSIC Group 522 cover?
PSIC Group 522 clusters a smaller family of classes under Support activities for transportation and is useful when the business sits between closely related options.
How do I compare Group 522 with sibling groups?
Look at the parent class and the nearby sibling groups. On this page, the most relevant nearby options are 521 Warehousing and storage.
Why is Group 522 useful for classification?
It sits at the point where a broad sector is already narrowed enough to compare a small family of similar classes before the final code choice.