http://www.epo.org/service-support/availability-of-online-services/2021/20210126.html
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Owing to technical maintenance work, the online refund claim service will be temporarily unavailable from 11.00 hrs CET on Thursday, 28 January, until 19.00 hrs CET on Sunday, 31 January. During this period, you will still be able to pay fees by credit card and prepare bank transfers online. However, delays in the online display of payment confirmations are to be expected until Sunday afternoon, 31 January.
During the maintenance work, deposit account holders can continue to submit debit orders via Online Filing, new online filing (CMS) and Online Fee Payment. However, any fees paid via (automatic) debit order will not be processed or appear in Online Fee Payment until Sunday afternoon, 31 January.
We apologise for any inconvenience.