Rev. 2 code 63.12 can map to more than one Rev. 2.1 class: 60.39 Other content distribution activities, 63.91 Web search portal activities.
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.
