Chapter 14. Regime of joint taxation to the State Administration and to the Provincial Administrations of the Basque Country and/or Navarra
- Joint taxation by the State and the Provincial Administrations of the Basque Country and/or Navarra
- Calculation of the tax proportions of each Administration
- Joint taxation regime with the Basque Country and Navarra
- Completion of boxes 00050 to 00056
- Completion of boxes 00625 to 00629
- Completion of boxes 00420 to 00497
- Filing of Corporation Tax returns in cases of joint taxation