Formulario 3239: Formulario de Modificación y Actualización de la Información

Form 3239

In companies and societies there are times when a change must be made, either because there is a new member in the company or for any other change. But for that you need the form 3239. Find out how this document is used here!

What is Form 3239?

It is a form required by the Internal Tax Service, so that taxpayers can make changes to their tax profile, something very common in the entrepreneur, as it is always necessary to add a member of the company or make a change in the company.

As a result, the taxpayer is free to make any changes to his company, but must notify those changes to the SII so that you take into account his current situation.

To see what he looks like form 3239 you can get into it page, this is how you will recognize it when you finally have it in your hands

How to complete Form 3239?

Itself the form 3239 It is designed so that the taxpayer can make the necessary changes. Obviously, the form will include the modifications that can be made, which, of course, are the ones that must be notified to the Internal Tax Service.

This is what should be placed in each part of the form 3239 when making a change in the information that the SII:

Unique Roll Tributary

form 3239

It should only be placed RUT number of the taxpayer whose information will be changed.

Modification type

This part should only be marked with a X the information that the Internal Tax Service, which are as follows:

  • Home.
  • Company name.
  • Number of RUT cards.
  • Turn.
  • The e-mail.
  • Affiliates.
  • Partners.
  • Representatives.
  • Capital increase.
  • Decrease in capital.
  • Company merger.
  • Contribution of assets and liabilities of other companies.
  • Transformation of society.
  • Conversion of people into society.
  • Membership division.
  • Company acquisition.

Taxpayer identification

Must be placed the full name of the taxpayer or name of the company in the case of a legal person.

Name or business address

In case you want to change your company name or your address. As expected in this part of the form, the address is divided into several squares, that is, placing the avenue, the street, the sector, the building among other descriptions that have an address.

The truth is that this way the address can be better specified, if the change is made in the company.


If the change is due to the company’s shift, either because it must be expanded or to be eliminated. If you want to delete, mark «X» in the box with the letter «E», but if you are going to add another curve, just mark the box with the letter «A».

At the same time, the transfer code and its description must be entered.


When it is done to open or close a branch, there are two boxes taxpayer

identified with opening Y closure, where you just have to put the address of the facilities that will be opened or closed as appropriate.

In the case of opening a branch, it must be indicated whether Purchased as property, leased by a partner or rented.

Email, postal and city address

If for any reason the change of e-mail, postal or urban address is made, there are the corresponding boxes to be able to make changes such as the new municipality, the location, the number, the departmental office and of course the mailbox.

Declared capital

First, it must indicate the capital with which the taxpayer was registered, then it must indicate the new capital that the taxpayer will enter and finally the total of the new capital that the taxpayer has.

It is also necessary to indicate the notary, the number of the repertoire and when the declared capital was changed.


In the small boxes you must indicate with the letter «N» if a new legal representative should be added and with an «R» if the current representative will retire. In addition, the full name and RUT number both the person leaving and entering.

With the modification of the business, branches, declared capital and the legal representative, form 4416 must be attached to this document.

Merger and absorption of companies

You have to put the RUT number and the business name or name of the taxpayer with which the new union is being made.form signature

Creation of a new company

If a new company is being created, for which the taxpayer is making the change, it should be indicated in this part The company name and name of the new society and the RUT number.

End of Form 3239

In this part only the RUT number of the person performing the procedure, date on which taxpayer data update is being processed.

And for the modification to be valid, this form must be signed by the taxpayer or legal representative of the company.

At the same time, this box which should only be completed by the staff of the Internal Tax Service where the signature and stamp of the Agent SII that is processing the data update process.

How to modify and update information before the SII?

These changes can be made through two options, which adapt to the needs of taxpayers. These options are through the Internet and the offices of Internal Tax Service.

These are the steps that must be followed according to the type of case that the taxpayer chooses to make the change:

Through the Internet

It is recommended to have in hand the backups of the changes that will be carried out, for all the information that will be emptied into the system:

step 1

  • When the menu is displayed, the option to updating information.

form 3239 1

  • Now another screen will appear where you can see the changes. You must choose the one that matches you.


  • After choosing the option that corresponds to the modification you want to make, the system will ask for the RUT number Y the key to enter the system.

password and username

  • When entering the system, you must place the gifts that will be modified, once the new information is entered you must click on the button save changes.
  • Finally, the system will create a certificate indicating which modification was successful.

By office

In the case of carrying out the procedure through the office, it is necessary to follow the following steps that will be mentioned below:

  • Meet all requirements that will be indicated later.
  • Go to one Internal Tax Service Office that is closest to your home or the region where you live.
  • Tell the office staff that you want to change your information on the system.
  • Give all the necessary documents to perform the procedure to your attendant.
  • Wait for the agent to deliver the form 3239 already stamping as proof of data modification.


The requirements will only be used when the procedure is carried out by the office of the Internal Tax Service, some of the resistances that will be mentioned may be necessary to validate the information during the online process.

SII Office

  • ID card of the person who will perform the procedure in original and copy.
  • Unique Roll Tributary of the taxpayer in original and copy.
  • Form 3239 Complete in type or printing, without erasures or amendments.
  • Notary power if a third party has to perform the procedure.
  • Backup documents that validate all the information that is being modified.

Deadlines and fines

The deadlines for carrying out this procedure are recommended after the changes that the taxpayer will have are clear, that is, after the changes are formalized, the tax information should be updated as soon as possible.

Fines can be avoided, as long as the stipulated deadlines are met to declare these changes to the Internal Tax Service, although a period of 15 working days to complete the procedure after formalizing the change.

Common questions

So far, everything that can be done with the form 3239, but as always there are some doubts that may be related to the following issues:

Who can update tax information online?

All taxpayers who have already informed the IRS about their professional and commercial activities, likewise, proceed with any modification of those taxpayers belonging to categories I and II of the Income tax law.

Who can sign Form 3239?

Of course the taxpayer or legal representative of a company, but if none of these people can sign the form, they can attorney, provided that he / she presents a power of attorney with a notarized signature in the civil modifications

How much does it cost to modify the information in the SII?

The tax information update process in the Internal Tax Service has no value the service is completely free.

How can I get form 3239?

This document can be obtained from the offices of SII or online.

You know what form 3239 thanks to all the information that has just been presented, which allows the change of tax data to be made in a timely manner, more quickly so as not to waste time

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Daniel Martínez
Daniel Martínez
Como recién graduado, me encantaría poder entrar a formar parte de una empresa en la que poder aplicar todos mis conocimientos y, al mismo tiempo, que me permita desarrollarme profesionalmente. Gracias a mi formación especializada, considero que puedo aportar valor y seguir desarrollándome profesionalmente en una compañía que coincida con mis valores y expectativas.

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