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01. Katso - Electronic filing system for corporate taxpayers
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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