In this release, we have added two new fields: TIN and country code for TIN. These should be reported for the income recipient in all tax reports except KU30.
You can read more about this here (page 8 ): https://www.skatteverket.se/download/18.569165a01749e7ae7892631/1603976889365/kontrolluppgifter--ranta-utdelning-mm-skv373-utgava34.pdf
In the excel file, two new columns has have been added: ReportTIN and ReportCountryCodeTIN.
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If these values are submitted they will be reported in the xml XML file in field fields 252 (TIN) and 076 (country code for TIN).
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If the values for TIN and country code for TIN are empty in the excel file, there will be no such field reported in the xmlXML.