All About The Ciec And Fiel Code Of The Sat – We have just finished April, the month where all individuals with business activity have to file their annual tax return but to present it and carry out other procedures before the SAT, you must know your CIEC code and your FIEL code.

An essential part of our life as business owners or entrepreneurs is the fulfilment of our tax obligations. Paying our taxes and carrying out procedures before the SAT is something that they usually do not teach us in school, and only facing their processes and requirements is what can give us an idea of ​​how to navigate it.

Some of the most used terms when registering with the SAT are precisely the famous “CIEC key” and the “FIEL key” that are put on the table from the first moment, and today, we want to tell you everything about it so that you know about what they are about and what they are for. With the aim that you master them from the first moment.

What Is The CIEC Key?

An electronic key allows you to carry out legal procedures and different functionalities on the SAT page if you are a legal entity; CIEC means Confidential Electronic Identification Key. Its use will give you access to the services provided by the SAT.

In other words, the CIEC key is like your email password; you need it to enter it and thus be able to check your emails, answer them or create new ones. This key comprises your RFC (Federal Taxpayer Registry) as a legal entity and a password you make yourself. With it, you can change, clarify or initiate procedures in the SAT.

For example, with the CIEC key, you can make declarations and payments. Correct your data, know your company’s financial situation, obtain digital tax receipts and make requests to generate digital seal certificates for tax receipts; These are why your company should have a CIEC key.

Your company must already registered in the RFC and have an active email to generate this key. You can enter the SAT portal to write the RFC and thus create your CIEC key with them.

What Is The Faithful Key? – CIEC And FIEL

This key is also known as. FIEL stands for “Advanced Electronic Signature” and provides additional security to electronic transactions. Likewise, this key identifies you as a signatory in these transactions. It is essential to understand that the FIEL key has the same legal effects as our physical signature, so you must keep it and use it confidentially.

Unlike the CIEC key. (which is only a password). Legal entities and individuals can hold the FIEL with business activity and two files. A certificate that acts as an identity card and a protected private key for a password only you can use at signing.

The FIEL key is also a tool to generate electronic signatures with which government procedures can carry out and private contracts can closed. In tax reports. To obtain digital tax receipts, initiate a refund request, and get your statement. Make a change of address, among others.

To obtain the FIEL or signature, you must appear at the SAT offices by appointment and bring the required documents and a USB memory to get and safeguard your signature.

If you have previously had any of these keys before, the SAT also provides you with a page where you can generate your CIEC, renew your signature or obtain proof of tax status

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Differences Between CIEC And FIEI Code

It is widespread to confuse these two keys and, for this reason, to close this post, we want to share with you some changes between the CIEC key and the FIEL key:

  • The CIEC code is now known only as a “password” and is valid only on the SAT portal. On the other hand, the FIEL, now known as, is right outside the SAT and represents your signature. In other government entities or private initiatives.
  • The password or CIEC to give you access to procedures and services of the SAT. The signature or FIEL is considered a legal tool that replaces your handwritten signature.
  • The CIEC is an access code, but the FIEL to all your biometric data taken from you at the SAT appointment when you process it.
  • The CIEC also helps you to obtain financing. Some fintech and financial institutions may automatically ask for this key to analyze your information. With this review, you can quickly verify your current status as a business based on your sales, income. Expenses and tax returns.

Now yes, you already know everything about the CIEC and FIEL codes and their differences. So that the next time you hear them or they are requested. You know the implications that each one has and, at the same time, you can use them responsibly.

If you have come this far. You may interested in knowing more about legal entities or natural persons with business activity characteristics. Remember that you will always find helpful information that leads your business to become its best version in this blog. Until the next post