Tr Section G Trade
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Class 4540 - Sale, maintenance and repair of motorcycles and related parts and accessories

PSIC Class 4540 covers Sale, maintenance and repair of motorcycles and related parts and accessories. Current child subclasses include Sale of Motorcycles and Their Parts and Components and Maintenance and Repair of...

Level Class
Hierarchy depth 4/5
Children 2
Last verified 2026-05-12
About this level

Practical summary

Class 4540 sits in the PSIC 2019 hierarchy under G Wholesale and Retail Trade; Repair of Motor Vehicles and Motorcycles > 45 Wholesale and Retail Trade and Repair of Motor Vehicles and Motorcycles > 454 Sale, maintenance and repair of. This class usually fans out into more specific subclasses such as Sale of Motorcycles and Their Parts and Components and Maintenance and Repair of Motorcycles and Their Parts and Components. 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 Sale of Motorcycles and Their Parts and Components and Maintenance and Repair of Motorcycles and Their Parts and Components. 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 Sale of Motorcycles and Their Parts and Components and Maintenance and Repair of Motorcycles and Their Parts and Components. 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: Wholesale and retail sale of motorcycles including mopeds Wholesale and retail sale of parts and accessories for motorcycles (including by commission agents and mail order houses) Maintenance and repair of motorcycles. This class excludes: Wholesale of bicycles and related parts and accessories, see 4649; Retail sale of bicycles and related parts and accessories, see 4763; Renting of motorcycles, see 7730; Repair and maintenance of bicycles, see 9529. their parts and components

FAQ

What does PSIC Class 4540 cover?

PSIC Class 4540 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Sale, maintenance and repair of motorcycles and related parts and accessories.

How do I compare Class 4540 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 4540 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.