How to know my Cuil: Constancia Online, Generate it and MORE

8 minutos de lectura

How to know my CUIL It is a question usually asked by Argentine workers. The Unique Labor Identification Code It is delivered when a dependent employment relationship begins. In this sense, it is very important that you know what it is because you may need it repeatedly and as a requirement for certain procedures.

For this reason, today we will explain everything related to this code. We will explain how you can find out what yours is, how to obtain the proof online, how to generate it for the first time and what to do in case of loss. We’ll also answer the most frequently asked questions that might come up and much, much more. Keep reading!

How to know my Cuil?

Let’s start by talking about the Steps to Follow to Consult my CUIL. In the event that you already have your code, but you have forgotten or want to confirm it, or need it for any other reason, we will indicate the step by step in this procedure. In this way you will be able to see which one corresponds to you, and in the fastest way!

  • To begin, you must enter the web portal of the ANSES.
  • Once there, you must enter My ANSES. This option is located in the upper right corner of the screen.
  • Once on the page, you will be asked for your CUIL and your Social Security code. You should not enter any, but you must click on I don’t know my CUIL.
  • You will see a form that you must fill out. Select your type and number of document (unique document, enrollment or civic book, others), full name, sex and date of birth.
  • Once you’re done, click Consult.
  • As a result of the process, you can view your CUIL onscreen.

As you can see, it is an extremely easy procedure to carry out. You only need your identity document and your other basic information. Besides, of course, a good internet connection. The advantage of being able to find out online is that you can do it from the comfort of your home, office or wherever you are, at the time that suits you best.

How to Know my Cuil: Constancia Online

In this sense, once you know your code, you might want Obtain the CUIL Certificate. This also contains your unique number, albeit in a more formal way. Also, you can download and print it. The procedure is the same as the previous one, only with some key changes that will make it even easier to carry out.

Next, we indicate the steps you must follow in order to obtain your record online:

  • First of all, you must go to the official website of the ANSES.
  • Once there, you have to enter Cuil’s constancy. This option is located immediately after the Virtual Attention window.
  • You will see a form that you must fill out. Select your type and number of document (unique document, enrollment or civic book, others), full name, sex and date of birth.
  • Once you’re done, click Consult.
  • You will be able to view your CUIL on the screen. A little further down, you will find the option of Download certificate.
  • The download will start automatically. You will get your PDF format, which you can print if you require it.

Do you see how easy it is? You can also purchase it at ANSES offices or Comprehensive Care Units (UDAI), employers linked to Direct Connection or, if you wish, at different post offices in the country.

As before, the advantage of this document is that you can get it immediately, from wherever you want and whenever you can. The ANSES web portal works 24 hours a day, and also almost never goes down.

How to Know My Cuil: Generate It for the First Time

Another very frequent question is that of How to Generate the CUIL for the First Time. Again, it is a super simple procedure, although this cannot be done online. It is only a face-to-face procedure, so be attentive to everything that we will say below.

First of all, you should know that the CUIL is issued automatically. The moment a person processes the National Identity Document (DNI), this code is generated at once. Therefore, you should already have it.

However, there are cases in which this does not happen. It is also foreigners who need to obtain it before completing the other migration procedures to obtain your foreigner’s license. In this case it is a provisional code that will allow them to work.

Be that as it may, it must present a series of requirements that we will list below.



  • DNI if the applicant is of legal age.
  • If you are a minor, ID of the parents and the minor. This in addition to the birth certificate.


  • The adults they will have to present:
    • DNI for naturalized or foreigner.
    • If there is no DNI, then the following is delivered:
      • This should reflect the type of residence.
      • Access permit to Argentina.
      • Document where the entry into the national territory and the type of current residence are reflected. Must issue it Migrations.

  • Minors must present the following:
    • DNI, both of the parents and the applicant.
    • Birth certificate (apostilled and translated if necessary).
    • Adoption decision (copy) if the applicant is adopted.

Steps to follow

  • Gather the relevant documents.
  • Presents said antecedents in the ANSES office closest.
  • Get your CUIL.

As simple as that. Come to the public opening hours, which you can see when you find the office that interests you.

How to Know My Cuil in Case of Loss

In the event that the CUIL gets lost, then you can download and print the certificate as explained above. It contains your CUIL, as well as other specific information.

You can also simply do the query, following the steps that we indicate in the first section. You will be able to know your CUIL and write it down to use it when you need it.

The truth is that it is as easy as that. The CUIL is a code that cannot be lost itself, so if you follow our instructions you can get it again.

Of course, you can also request it in the ANSES offices, in the Argentine post office or in the others that we previously indicated.

Frequent doubts

To finish, we can go on to answer the Frequently asked questions regarding the CUIL issue.

  • Who can get it?

Argentines and foreigners, as well as residents abroad. The former need it to work, while the latter needs it to apply for Social Security services.

  • Is the CUIT and the CUIL the same?

No! Although many people think so, the truth is that it is not. The Unique Labor Identification Code (CUIL) is not the same as the Unique Tax Identification Code (CUIT). Although in many procedures they can be used as substitutes, the truth is that there are two main differences:

  • The CUIL it is generated by ANSES. The CUIT it is generated by AFIP (Federal Revenue Administration).
  • The CUIL identifies dependent workers (with employer). The CUIT identifies businesses, companies and independent workers.
  • Can I do other procedures related to this code?

You can obtain the form to make the Unification Application, when you are a foreigner and have a provisional code.

  • What is the CUIL for?

With the CUIL you can enter various pages of the state and do online procedures. You can also do procedures in My ANSES. This is one of the most important codes in terms of social security contributions that must be made throughout the person’s working life for the retirement fund.

It is also used to be able to make any type of change regarding the social works, and with it you can apply for consumer loans, bank loans or credit for the purchase of a car.

  • What happens if I am a foreigner and I do not obtain the CUIL?

Then you will not be able to work until you obtain nationality or permission to work in Migration. You must obtain the provisional CUIL and when you obtain the foreigner’s DNI then you will be able to obtain the definitive CUIL.

What is the Cuil?

The Unique Labor Identification Code (CUIL) identifies all workers with an employer in the territory of Argentina. It is a number that is automatically generated when the person obtains their ID. It is issued by ANSES, from whose virtual page you can consult and obtain the certificate.

If for some reason you do not have it, then you should go to the ANSES offices to obtain it. You must bring a series of requirements with you, which vary depending on whether you are a foreigner, Argentine or if you are residing abroad.

The certificate can also be obtained from the Argentine post office, from the ANSES offices, from Comprehensive Attention Units (UDAI) or employers linked to Direct Connection. This contains the data of the person, the code and the identity card or identification number.

We hope we have helped you with what you were looking for.

Until next time!

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