| SECTION B : MINING AND QUARRYING |
| Division 05 : Mining of coal and lignite |
| Group | Class | Sub-class | Description |
| 051 | | | Mining of hard coal |
| | 0510 | | Mining of hard coal |
| | | | This class excludes: |
| | | | - lignite mining, see 0520 |
| | | | - peat digging and agglomeration of peat, see 0892 |
| | | | - test drilling for coal mining, see 0990 |
| | | | - support activities for hard coal mining, see 0990 |
| | | | - coke ovens producing solid fuels, see 1910 |
| | | | - manufacture of hard coal briquettes, see 1920 |
| | | | - work performed to develop or prepare properties for coal mining, see 4312 |
| | | 05101 | Opencast mining of hard coal |
| | | 05102 | Belowground mining of hard coal |
| | | 05103 | Cleaning, sizing, grading, pulverizing, compressing etc. of coal |
| | | 05109 | Other operations relating to mining and agglomeration of hard coal |
| 052 | | | Mining of lignite |
| | 0520 | | Mining of lignite |
| | | | This class excludes: |
| | | | - hard coal mining, see 0510 |
| | | | - peat digging, see 0892 |
| | | | - test drilling for coal mining, see 0990 |
| | | | - support activities for lignite mining, see 0990 |
| | | | - manufacture of lignite fuel briquettes, see 1920 |
| | | | - work performed to develop or prepare properties for coal mining, see 4312 |
| | | 05201 | Opencast mining of lignite (brown coal) |
| | | 05202 | Belowground mining of lignite (brown coal) |
| | | 05203 | Washing, dehydrating, pulverizing, compressing of lignite |
| | | 05209 | Other operations relating to mining and agglomeration of lignite |
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