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Class 4920 - Transport via buses

PSIC Class 4920 covers Transport via buses. Current child subclasses include Inter-urban Bus Line Operation, Urban and Suburban Bus Line Operation, and Local Bus Line Operation. This four-digit layer is useful when...

Level Class
Hierarchy depth 4/5
Children 6
Last verified 2026-05-12
About this level

Practical summary

Class 4920 sits in the PSIC 2019 hierarchy under H Transportation and Storage > 49 Land Transport and Transport Via Pipelines > 492 Transport via buses. This class usually fans out into more specific subclasses such as Inter-urban Bus Line Operation, Urban and Suburban Bus Line Operation, and Local Bus Line Operation. It is the level people use when they already know the activity family but still need the exact five-digit match.

Administrative context

Where this code is used

This class is used when a business can already narrow the activity family and only needs to compare the final subclasses such as Inter-urban Bus Line Operation, Urban and Suburban Bus Line Operation, and Local Bus Line Operation. It is the level most often checked before a five-digit decision is finalized.

Selection note

How to choose it

Use this class to choose between its final subclasses such as Inter-urban Bus Line Operation, Urban and Suburban Bus Line Operation, and Local Bus Line Operation. If two options look close, compare the exact activity, the outputs and the way the business actually earns revenue.

Official note

Source-backed description

This class includes transport of scheduled buses at short or long distances. It also includes tourism and sightseeing buses, which are scheduled or chartered and operation of school and employee buses. buses, renting of bus)

FAQ

What does PSIC Class 4920 cover?

PSIC Class 4920 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Transport via buses.

How do I compare Class 4920 with the sibling classes?

Read the neighboring classes and compare the exact wording of the child subclasses. Nearby options include nearby sibling codes.

Why does Class 4920 matter for a filing decision?

It is usually the last broad checkpoint before the five-digit subclass choice, so it is the right place to catch near-miss classifications.