The activation date is commonly used for newly created dimensions (which will be active for operations at a future date) and in another scenario for main accounts (which can be deactivated after a specific period), as shown in the following screenshot:
If an accountant wants to work with a main account, but it has not been a day since its activation, a message bar will pop up during the processing of a transaction that will state that dimension ##### is not active, as shown in the following screenshot:
