Data format specifications

There is a data format specification available for each tax filing type. You can find their updated versions at this website.

For more information on data format specifications and earlier versions of them, send e-mail to ohjelmistotalot(a)vero.fi.

Tax Administration's Data Format Specifications

• Data format specifications - Annual information returns

• Data format specifications - Return for self-assessed taxes

• Data format specifications - VAT EU Recapitulative Statements

• Data format specifications - Income Tax Return

• Data format specifications - Direct transfers of data

• Data format specifications - Other filings

• Data format specifications - Reporting construction-sector details

• Data format specifications - Individual Tax Numbers

• Data format specifications - Flows containing data requests and answer files

Press the link below to go to the file description at the extranet site of Kela.fi. For more information and enquiries on the extranet password, send e-mail to teossara(a)kela.fi.

• Data format specifications - Kela