Systems to determine the income of the economic activity
Which methods you can use, which are incompatible, when you are excluded and which you can renounce
Incompatibilities between schemes
If you determine income from one of your activities using normal direct estimation, you must determine the income of all the other activities using this method.
Exception
If you carry out an activity using simplified direct estimation and start an activity for which you renounce this modality until the end of the year, the normal direct estimation and the simplified estimation coexist. The incompatibility shall take effect the following year.
When determining income from one of your activities in direct estimation, you must determine the income from all the activities you carry out using this method (even if some may be in modules).
Exception
If the activities you perform are subject to objective estimation and you start an activity that is not included or for which you renounce this approach, objective and direct estimation will apply simultaneously until the end of the year. The incompatibility shall take effect the following year.