Release MDES portal for test period for the Financial Institutions
25 februari 2021
Weeks 8 to 9:
As of now the MDES portal has been released for the test period for Financial Institutions and Sponsors through test message with test data. During this period, it is only possible to check by means of a test message with test data for the new tax year, whether your own messages or input validation meet the controls of the XML message.