Rev. 2 code 93.21 can map to more than one Rev. 2.1 class: 93.21 Activities of amusement parks and theme parks, 93.29 Amusement and recreation activities n.e.c..
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.