How do I register as a self-employed person in the Canary Islands?

The process to register as a self-employed person in the Canary Islands includes the following steps:

1. Social Security Registration: Register as a self-employed worker in the Special Regime for Self-Employed Workers (RETA).
2. Registration with the Tax Agency (Model 036 or 037): You need to specify your activity classification and the IGIC (General Indirect Canary Tax) regime.
3. Registration with the Canary Islands Tax Agency (ATC): Through model 400, this registration is mandatory to manage the IGIC.