Using Mozilla Firefox is the best solution for reading the ID card.
To see and get access to a return in your TaxWorkBox, you must have the following roles: :
If that is not the case, you must assign yourself these roles in Ma gestion des rôles eGov"
Before being able to submit a return within the framework of a mandate, you have to create a mandate that will be signed by both parties via the "Self Service Mandat"
Exceptionally it is sometimes possible to create a paper document for the principal. You will find every necessary information on the website of Tax-On-Web.
Warning: You can only have a mandate (either PIT or NRIT/Natural Persons) If you accumulate both mandates, the return will not be available in your TaxWorkBox.