Rev. 2 code 33.19 can map to more than one Rev. 2.1 class: 33.19 Repair and maintenance of other equipment, 91.30 Conservation, restoration and other support activities for cultural heritage.
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
Review the official explanatory notes for each target code and confirm whether the business activity still fits the suggested Rev. 2.1 class.