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II. Excise Duties Authorisation. Mixing of hydrocarbons with biofuels (Management Office)

General Details


II. Excise Duties Authorisation. Mixing of hydrocarbons with biofuels (Management Office)

Procedure type





In the case of biofuels intended, as such or after chemical modification, to be mixed with a fuel before the suspension regime is completed, the mixing operation will be carried out with the prior authorization of the II Management Office. Excise Duties

Responsible body

State Revenue Office

General information of the procedure

Start form


Applicant: Citizen - Company

Place for presentation


AEAT offices


Application for authorization of mixtures of Hydrocarbons with Biofuels.

Phases of the procedure/service

Start: application submission.

Procedure: by II Management Office. Excise Duties

End: Resolution by the Management Office of II. Excise Duties


Electronic processing

Resolution deadline

6 months

Resolution body

State Revenue Office


Replacement: Term: One month. Optionally, before the office from which the administrative act to be appealed comes from, stating that no economic-administrative claim has been filed against it.

Economic-administrative claim: Term: One month from the day following the notification of the contested act or the day on which the procedure or the prior appeal for reconsideration can be understood to have been resolved. It will be directed to the administrative body that issued the claimable act.

Information linked to electronic processing

Identification system

Electronic DNI, Electronic Certificate, PIN Code

Interactivity level

Level 4: Electronic processing


Basic Regulations