Sede Electrónica de la Seguridad Social

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Request for Correction of Contribution Basis Report.

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People who have worked as an employee in any of the following Schemes:

  • General Scheme.
  • Special Scheme for Sea Workers (Group I).


With this service you can request correction of the information contained in contribution bases reports and the addition of missing information in these reports. To do this, as much available information as possible must be included in the service access form for correction or addition (dates, company name, province).

Once the correction of data is requested, you will be emailed a receipt of your request by the Social Security General Treasury and the identification number associated with the request (which is to be cited for any clarification regarding the submitted request), and so your email address must be included in the form.

After the request is processed, the interested party will be notified by email, and a new contribution basis report can be requested, if desired.

This operation can also be carried out through the user account/password Services, if you have activated your user account and generated the password. To do this you must have an Activation Code which can be obtained in person at any Social Security office nationwide.


  • To access this service, you must have a digital certificate included on the list of accepted certificates, as well as meeting the other technical requirements.
  • In addition, in the event that this certificate was not obtained at a Social Security office, the identification details on the digital certificate must match those held by Social Security.

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