If you want to install a test environment for your application, you need to configure a test database using Isah License Server Configuration.
See Register Databases in the Isah License Server User Manual for more information about the fields in the Test Environment grid.
If you connect the Electronic Returns Service with this database during installation, you are automatically working in a test environment. If you submit a return using an Isah test environment, it will automatically be sent to the tax office's Digipoort pre-production environment. Only returns submitted from an Isah production environment will be sent to the Digipoort production environment.
If the Electronic Returns Service has already been connected to a database and the database is moved to the Test Environments grid afterwards, restart Isah and Isah Finance to activate the test environment for both applications.