How to register with the Treasury: a guide for entrepreneurs

To register with the Treasury, you must be registered in the RFC, know the tax regime to which you want to belong, have the necessary documentation in each case and enter the SAT portal to carry out the process digitally.

There is no escape, to have a profitable —and legal— business in Mexico it is necessary to pay taxes. Yes, even if you are freelancer, you sell online or through social networks, also applies in those cases, according to our Constitution. But let’s go a step back, before thinking about contributing to public spending (that is, paying your taxes), you have to know how to register for the SAT.

Many entrepreneurs and small businessmen tremble when they hear the words “Treasury” and there is this false belief that it is an evil organism that is always looking for new ways to steal taxpayers’ money. But as I said before and I repeat again: this is false!

Do you know those popular phrases that say “clear accounts, long friendships” and “he who owes nothing, fears nothing”? Well, they apply perfectly in this case because As long as you keep the proper accounting in your business, you should not have any problem with the SAT.

Now, I do not want to bore you with the topic of paying taxes, because we have an extensive guide focused on it and because today you are here to learn, the invoices and declarations will come later. So let’s not waste any more time and get to the point.

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What is the Treasury and what is the SAT?

First things first, the Secretariat of Finance and Public Creditpopularly called “Hacienda” is a government agency that aims to consolidate Mexico as a country with quality, equitable, inclusive and sustained economic growth, in order to strengthen the well-being of the country’s inhabitants.

On the other hand the Service tax administrationknown by its acronym “SAT”, is a government institution that is responsible for making natural and legal persons contribute proportionally and equitably to public spending.

💡 Type: Isn’t it very clear to you? Click on the link to understand what each one is.

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Requirements to register a company

If you have a business, There are different regimes in which you can register to start paying your taxes. For each regime, the procedure varies a bit, but below you will find some general requirements and documents that you will need to register:

• Be registered in the RFC;
• Know in which tax regime you are going to register;
• CURP or birth certificate;
• Valid official identification;
• Proof of fiscal domicile;
• Articles of incorporation (only for legal entities).

If you’ve never had a job (of any kind) before or aren’t sure whether or not you have a RFCthen I will tell you what it is, how to know if you have it and how to get it.

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What is RFC and how to process it?

“RFC” is the acronym for the Federal Taxpayer Registry although we commonly call that the unique registration key with which each person who carries out economic activities and contributes to public spending is identified.

This key is made up of 13 alphanumeric characters that include the initials of the name of the person (physical or moral), date of birth or constitution and, that is, three characters that the SAT adds to the end to ensure that each key is unique and unrepeatable.

In addition to being an identification key, the RFC is used to carry out procedures, issue invoices, access financial products, social programs, etc.

💡Tip: If you were already employed, worked for fees or carried out any economic activity in a formal way, then you must already have an RFC. You do not remember? Don’t worry, .

How to process my RFC?

If you haven’t worked before and have already confirmed that you don’t have an RFC, then follow these instructions to get your RFC for the first time. From the outset you should know that the official name of this procedure is “registration to the RFC” and, fortunately, you can do it online.

If you are going to register as a natural person, follow these steps:

1. Have your Unique Population Registry Code (CURP) and a valid official identification (for example, INE, passport, professional ID, driver’s license or INAPAM credential) at hand.
2. Access the SAT official page ()
3. In the upper menu, click on the “RFC Procedures” section and select the option “Get your RFC with the Unique Population Registry Key”.
4. Fill in the fields with your personal data (CURP, name, date of birth, fiscal address and economic activity)
5. Follow the instructions to complete the procedure and obtain the Single Acknowledgment of Registration at the Federal Taxpayer Registry, that is, your RFC.

I would love to tell you that this is it, but we are just getting started… As you saw above, registration in the RFC is the first requirement to register in the SATyou also need to have an e.signature, among other things.

Let’s keep going.

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What is the e.firma and how to process it?

The e.signature, previously called Advanced Electronic Signature or FIELis a set of data and characters that serve to identify taxpayers when doing procedures online, both in the SAT and in other government and private agencies.

Like the CURP and the RFC, the e.signature is unique and unrepeatable and has the same validity as your handwritten signature. Although the main difference between the e.firma and the other two keys that we mentioned before, is that it is valid for four years.

Steps to process the e.signature

The e.signature request It is a procedure that must be done in person.Here are the steps to carry it out.

1. at your nearest SAT office or Tax Services Module.
2. Go to your appointment with the documents and requirements;
   1. USB (preferably new), containing the .req file, which you can generate in the ;
   2. Email;
   3. Application for Certificate of e.signature, in duplicate and filled with blue ink. To obtain it, click on “Other procedures and Services” > “Identification and Electronic Signature” > “Get your e.firma certificate (previously Electronic Signature)” and click on the link that you will find in the “Downloadable Document” section;
   4. CURP;
   5. Proof of fiscal domicile;
   6. Valid official identification.
3. The advisor who assists you will help you register your biometric data (fingerprints, frontal photograph, iris photograph, signature and digitization of documents);
4. If everything goes well, you will receive your digital certificate from e.firma. Do not forget to bring a usb memory to store it;
5. Finally, you must sign an e.signature generation acknowledgment.

How to register for the SAT and register with the Treasury?

Now yes, let’s go to the part that you were surely waiting for: “how to register for the SAT?”. The first thing you should know is that you will have two great options when registering: as a Person Physical or Legal Person.

Next I will explain briefly how to register for the SAT and what you need to register in each case.

Physical person

A natural person is a individual who can carry out any economic activityeither independently, as a salesperson or a freelancer, or in a company, as an employee or a professional.

Individuals can choose between different regimes, depending on the type of work activity they carry out:

• Tax Incorporation Regime (RIF)for those who carry out commercial activities or provide services that do not require a professional title (for example: photographer, hairdresser, florist);
• Regime of business activities with income through technological platformsfor those who sell through platforms such as Mercado Libre or Amazon;
• Leasing regimefor those who own real estate such as buildings, houses, land and put them up for rent;
• Regime of business and professional activitiesare those who obtain income from providing professional services (for example, a doctor, a designer, a dentist) and from commercial activities (restaurants, pharmacies, etc.), industrial activities (mining, textiles, etc.) and the sale of goods and of auto transport
• Agricultural, Livestock, Forestry and Fishing Activities (primary sector)this regime applies only when at least 90% of people’s income comes from these activities.

How to register for the SAT if I am a natural person

The steps and requirements to register in the SAT, natural person In this case, we explain them below:

1. Enter the SAT official page: , make sure that the word “People” is highlighted in the upper left corner, so that you can see the correct options;
2. Click on “RFC Procedures” > “See more” > “RFC Registration” > “Get your RFC with the Unique CURP Population Registry Key”. If you are already registered to the RFC, then in the same menu look for the option “Update in the RFC” > “Submit the notice of update of economic activities and obligations”;
3. When entering with your RFC or CURP, step one is to fill in some fields with your personal data such as names, surnames, date of birth, etc.
4. Step two is to capture your tax address. All data with the symbol * are mandatory.
5. Then, in steps three and four, you will have to share information about your income and fill out a questionnaire to indicate the type of income you receive, the economic activity you carry out (if it is more than one, you will have the percentage of income that each a), the periodicity, among other data.
6. Almost to finish, you will see a summary of the information you shared in the questionnaire and the tax obligations that you will have as soon as you register. Confirm that all the data is correct and confirm.
7. At the end you will receive your Certificate of Fiscal Situation.

To be able to start making electronic invoices and declare your taxes, you will need to have your e.signature, so don’t forget to check the section “What is the FIEL on the SAT and how to process it?” above in this same article.

💡 Type: before registering you can use the SAT, to give you an idea of ​​what the registration will be like.

Moral person

a moral person It is made up of two or more natural persons who have a common purpose—which may or may not be lucrative. It can be a company, an NGO or a business that, by registering with the Treasury, will be able to pay taxes.

In the case of legal persons, there are only two regimes in which you can give yourself high on the SAT:

• General Regimeis for those for-profit companies, whether they sell goods or services.;
• Non-profit legal entitiesare companies that do not seek profit from their activities, such as…