Key facts
Code summary
Code 051
Official title Mining of hard coal
Version PSIC 2019
Source layer PSA / BSP
Section B - Mining and Quarrying
Mn
PSIC 2019 Navigation-first hub Group 051 - Mining of hard coal
PSIC Group 051 covers Mining of hard coal. Direct children below it include Mining of hard coal. It clusters closely related activities and helps compare nearby classes before choosing the most defensible business...
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Child codes
These are the next codes most users should open after this hub page.
Nearby codes
About this level
Practical summary
Group 051 sits in the PSIC 2019 hierarchy under B Mining and Quarrying > 05 Mining of Coal and Lignite. This group usually narrows the choice to a small family of classes such as Mining of hard coal. 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 Mining of hard coal 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 Mining of hard coal. The safest choice is the one whose wording matches the actual production, service or operating model most closely.
FAQ
What does PSIC Group 051 cover?
PSIC Group 051 clusters a smaller family of classes under Mining of hard coal and is useful when the business sits between closely related options.
How do I compare Group 051 with sibling groups?
Look at the parent class and the nearby sibling groups. On this page, the most relevant nearby options are 052 Mining of lignite.
Why is Group 051 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.