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From 1 January it's mandatory for some Companies to report ESEF electronic in EU.

https://www.fi.se/sv/marknad/emittenter/regelbunden-finansiell-information/enhetligt-elektroniskt-rapporteringsformat-esef/

In Sweden annual report are possible to submit digital.
https://www.arsredovisning-online.se/digital_arsredovisning

Both require iXBRL support.

What are XBRL and iXBRL?
iXBRL is the file format that the Swedish Companies Registration Office has chosen in its digital submission service. This means that the annual report submitted to the Swedish Companies Registration Office is an iXBRL file.
XBRL stands for "eXtensible Business Reporting Language", and is a standard format for financial reporting between different computer systems. XBRL is only a machine-readable format and is not made to be (simply) readable for a human being. iXBRL stands for "Inline XBRl", and is a variant of XBRL where you combine the machine-readable financial information with a presentation format. The presentation of the information is done using HTML, i.e. the same format used on Web pages.
STATUS DETAILS
Declined
Ideas Administrator

Thank you for submitting this idea.
XBRL reporting is currently only mandatory for public/listed companies and therefore not in the key scope of Business Central users.
Supporting XBRL is not on our roadmap and we refer to partners to build/add this functionality.

Thank you.
Søren Alexandersen, Program Manager, Business Central, Localization.