Skip to main content
Practical manual for Income Tax 2020.

Rules for the application of corrective indices: order of application and incompatibilities

The corrective indices are applied in the order in which they have just been indicated, which is the order in which they appear in the declaration, provided that they are not incompatible with each other, on the reduced net income or, where applicable, on the rectified by application of the same.

The incompatibilities between the different correction indexes are the following:

  • The correction index for small companies will not be applicable to activities for which special correction indexes are provided, except for the one applicable to the retail trade activity of newspapers, magazines and books in kiosks located on public roads (heading IAE : 659.4).
  • When the correction index for small companies is applicable, the excess correction index will not be applied.
  • When the seasonal correction index is applicable, the correction index for the start of new activities will not be applied.