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Automatic calculation of special agreements < Go back

Using this service you can calculate from your own computer the approximate amount of the special agreement you want to sign.

About this procedure

Who it is for

People who are requesting a special agreement.

What you can do

Immediately obtain the approximate amount of the monthly contribution of the special agreement you  intend to sign,  as well as the total estimated cost during the period indicated for its term.

What do I need to do this?

With a user-friendly programme, enter the details regarding:

  • First name and surname(s)* 
  • DNI *
  • Social Security Number *
  • Date of birth *
  • Start date of the agreement
  • Expected end date of the agreement
  • Contribution Basis of the last twelve months

* (optional)

After entering this information, you can obtain the average basis, select the contribution basis chosen for the special agreement, indicate whether you are receiving unemployment benefit and whether you wish to revaluate the contribution basis.

Please note

The special agreement self-calculation programme uses only the information entered by the user, so that the result obtained cannot in any way lead to Social Security entitlement or obligations.

It is the user who directly controls the current maximum and minimum contribution bases and they are not validated by the programme.

This programme contains expected updated basis rates, set at 2%.

This version will be updated annually to include new, updated contribution bases and also when any change occurs in the regulations that brings about changes in the data included in the program.

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

Access the Service

  • Digital
    Certificate
  • Username +
    Password
    Username +
    Password (Cl@ve
    permanente)
  • Cl@ve
  • No
    certificate
  • Via SMS
Attached documentation
Attached documentation
document name Publication date
Autocalculo de convenios especiales (PDF, 143 Kb) 01/04/2019
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