Preguntas y Respuestas

Learn how to get your RFC

Post actualizado el día September 27, 2026 by DeiviSanzPlay

Did you know that the questions-y-respuestas/actualizar-tu-rfc-en-el-sat-2025-te-explicamos-el-proceso-en-linea-con-curp-en-ciber-o-in person–check-imprime-y-verifica-tu-rfc-facilmente/” title=”🧾 How do I update my RFC at the SAT? [2025 Step-by-Step Guide]”>RFC is like a key secret that opens the doors to the world financial in Mexico? Without it, you’re out of the game: you can’t invoice, you can’t work formally, you can’t open accounts business. And best of all… getting it is easier than you think, although there are some tricks few people know.

I recommend checking out this interesting article: How to choose a good pillow for sleeping.

If you don’t have yours yet and you’re wondering how to get an RFC, here I’ll reveal the secrets step by step so you can do it without headaches. You can process it online or in person, but before you dive in, you should know certain details key that will save you time and prevent problems.

🔗 SAT Virtual Office
🔗 Online RFC Registration
🔗 CURP Check for procedure
🔗 Schedule appointment at the SAT

If it’s your first time, you’re probably wondering how to get an RFC for the first time and what steps to follow. Let me tell you that the SAT has simplified the process, but even so, there are details that can trip you up. One of the fastest ways is to get it with your CURP, since the system automatically generates your tax data from this unique code.

Want to avoid endless lines? Getting an RFC online is the ideal option. You only need your CURP, some personal information and to follow the process on the SAT website. Within minutes, you’ll have your tax situation certificate, that document that many companies ask you for to pay you formally.

Now then, there’s something almost no one tells you: it’s not enough to get your RFC with CURP for the first time, you also need the homoclave. This small set of characters at the end of your RFC is what makes it unique and prevents duplicates. Without it, you won’t be able to use it correctly.

If you prefer to do it in person, you’ll need an appointment to get an RFC, because the SAT doesn’t serve you without one. On their website you can schedule it, but keep in mind that availability varies and during some seasons it’s almost impossible to find a slot.

Before setting off on the adventure, make sure you have the requirements to get an RFC. It’s a common mistake to show up without the correct documents and waste the trip. What you need is:

  • Official identity document (INE, passport, professional license).
  • Printed and updated CURP.
  • Proof of address (sometimes they ask for it, sometimes not, but better to bring it).

If you’ve made it this far, you’re probably wondering where to get an RFC in case you prefer to do it in person. You can go to any office of the SAT in your state, but be careful, some are busier than others, so choose wisely.

And an important detail: if you’re a freelancer, entrepreneur or simply want to formalize your status, this is only the first step. After getting it, you’ll need to activate your e.firma, because without it, the RFC alone won’t do much for you.

Ready to take the next step? Now that you know all the secrets to processing your RFC, there’s no excuse to stay off the radar.