iOS - Register Apple Business Manager

Create Apple Business Manager Account
If you want to use DeDeSales for iPhone/iPad, you need an Apple Business Manager account
If you do not yet have an account, you must register here:
Registration link:     
https://business.apple.com/#/enrollment/form
Instructions:
https://www.apple.com/de/business/docs/site/Apple_Business_Manager_Getting_Started_Guide.pdf
Attention. The links may have changed by now, please use Searching if the links are no longer correct.
Report Organisation ID
As soon as you have received the Apple Business Manager account, you must inform us of your Organisation ID and the registered organisation name. 
With this Organisation ID, we can provide your DeDeSales Client version in your App Store. This will take about 1-2 Weeks, as the Provision must go through Apple's internal approval processes. Your DeDeSales Client version is Visible only to you.
Installation
Standard installation
The standard installation is done via an MDM system.
Redemption codes / Vouchers
Alternatively, you can issue redemption codes for your Employees in your Apple Business Manager account. The installation then takes place, for example, via the user's Safari browser or by entering the code under custom apps in the App Store.
Attention: This option does not exist across countries. That means you need a separate Apple Business Manager account for each Country to create codes for the respective Country.