01 · Correspondence
What an equivalence shows
Annex II of RG CA 19/2025 links each listed NAES code with an ARCA code and description where a current correspondence exists. Search accepts either six-digit code or wording from both descriptions.
One ARCA activity may correspond to more than one NAES code. The tool keeps each pair separate so that relationship remains visible.
02 · Validity
Current and historical codes
The consolidated Annex I includes a start date and, when applicable, an end date. Ended rows are identified as historical; current equivalences have no stated end date in the resolution.
A documented replacement code is shown when available. The tool does not invent a replacement from textual similarity.
03 · Use
Confirm the code in the real process
An equivalence helps translate between systems and prepare a question, but it does not decide which activity you should register. That depends on the work you actually perform and the applicable official registration.
Do not enter a CUIT or Clave Fiscal here. Continue in the official service for registration changes and check its domain before signing in.
Search from an everyday description