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Change in contribution basis -special agreements < Go back

A través de este servicio las personas que tengan suscrito un convenio especial regulado por la ORDEN del Ministerio de Trabajo y Seguridad Social de 18 de julio de 1991 (BOE de 30 de julio) podrán modificar la base de cotización, en los convenios especiales, para el año natural en el que se efectúa la petición de cambio. Este servicio solo está operativo de enero a marzo. Quedan excluidos de este trámite los convenios especiales regulados por Orden TAS/2865/2003, de 13 de octubre, por la que se regula el convenio especial en el Sistema de la Seguridad Social.

About this procedure

Who it is for

Individuals affiliated with a special agreement in the Social Security system regulated by the Ministry of Labour and Social Security Order of 18 July 1991 (BOE of 30 July).

What you can do

  • Immediately make a change to the contribution basis.
  • Get a receipt for the submitted request.

Please note

Until the last day of the calendar month after the month when the provisions amending the minimum contribution bases come into force, the interested party may select a new basis, which will be effective from the date of the amendment coming into force.

This service will be operational only from January to March of the calendar year in which the request is made.

To access this service check you have the necessary technical requirements.

Access the Service

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