In order to submit your Business Accounts, follow the below steps:
Step 1: Visit the following webpage http://www.aade.gr/epicheireseis/phorologikes-yperesies/epaggelmatikos-logariasmos
Step 2: In this page, click the option "Είσοδος στην εφαρμογή".
Step 3: Enter your credentials you own already for the application of Taxis and click OK.
Step 4: Click the relevant option that describes yourself as owner of a Company or as Representative of a Legal Entity for all other cases.
Step 5: Click the option "Προσθήκη Επαγγελματικού Λογαριασμού".
Step 6: Fill in the data that you will find in your Viva Wallet in the area "My Business Accounts" and click "Confirm".