Rev. 2 code D is one of multiple older codes associated with Rev. 2.1 class D ELECTRICITY, GAS, STEAM AND AIR CONDITIONING SUPPLY.
Potential impact
Datasets, CRM segments, KYC rules, reporting logic, and historical joins may need review because the activity scope is not a simple unchanged carry-over.
What to check next
Confirm the target version field and update references where Rev. 2.1 is required.