Rev. 2 code 61.90 can map to more than one Rev. 2.1 class: 61.20 Telecommunication reselling activities and intermediation service activities for telecommunication, 61.90 Other telecommunication 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.