Box 00049 Special procedures under provincial regulations
Entities that have marked box  «Tribut. joint State/Deputy. Qty. Foral» , to which the corresponding foral regulations of Corporate Tax are applicable according to the provisions of the Economic Agreement with the Autonomous Community of the Country Basque, approved by Law 12/2002, of May 23, or in the Economic Agreement between the State and the Foral Community of Navarra, approved by Law 28/1990, of December 26, and that, being covered by some special regime of regional regulations, said special regime does not have its equivalent (regardless of its name) in the regulations of the State .
You can consult the specialties of the joint taxation regime for the State Administration and the Provincial Councils of the Basque Country and/or Foral Community of Navarra in Chapter 13 of this Practical Manual.