Using this service you can ask to increase or change your contribution basis.
Workers registered in the Special Social Security Scheme for self-employed workers.
The period in which a change to the contribution base can be made via this service is between:
Self-employed persons will be able to make as many applications as they wish, but only the most recent one made within the indicated deadlines will be considered, and with the established effects.
They can choose any contribution basis between the one they have been paying and the maximum limit that applies to them, in all cases accordance with the provisions of the Order implementing the Social Security contribution regulations.
To access this service check you have the necessary technical requirements.
|document name||Publication date|
|Manual de Ayuda. Cambio base de cotización Autónomos (PDF, 109 Kb)||18/03/2019|
|Tríptico Administración Electrónica y Notificaciones Telemáticas. Servicios Electrónicos para Autónomos (PDF, 809 Kb)||07/08/2018|