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Home page » Electronic filing » Katso Identification Service

01. Katso - Electronic filing system for corporate taxpayers

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Katso ID and Password are necessary when your business has tax returns to file.  Katso Identification System lets you sign in securely to use electronic filing services.  For more information, see details at 09. List of available e-services and Katso Identification Service.
 
Katso website lets you change Passwords online, print out lists of One-Time Passwords, set up Katso Sub-IDs for your employees and grant and receive Authorizations. Katso ID and Password permits you to authorize someone else (grant Authorization through Katso) to submit tax documents on your behalf. For more information and instructions, see Katso Userīs Guide.

Click the following link, and select English, to go to Katso Website https://yritys.tunnistus.fi.

Overview of Katso ID

Instructions to corporate taxpayers using Katso Identification System

Instructions for authorizing someone else (usually an accounting firm)
 
Instructions to the authorizee (usually an accounting firm), dealing with tax matters on behalf of the client
 
Instructions to special groups (corporate taxpayers outside Finland)

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