Mr. Chen, a client of Qi Cai Ying, had originally decided to register for an RFC tax ID on his own. He searched online for ”How to register for an RFC in Mexico,” looked at some tutorials, and concluded that the process wasn’t too complicated—after all, wasn’t it just a matter of filling out a form on the SAT website? So he began preparing the required documents and submitted his application.

My first submission was rejected. The reason given was that ”the articles of incorporation had not been notarized and authenticated in Mexico.”

This was the second submission, and it was rejected. The reason given was ”the proof of tax registration address was non-compliant.”

This was the third submission, and it was rejected again. The reason given was that ”the activity code classification on the RFC registration application form did not match the actual business operations.”

After three rounds of submissions—a process that dragged on for 45 days—the RFC still hadn’t been issued. General Manager Chen realized that Mexico’s tax registration system was far more complex than the online tutorials described—those tutorials covered only the most basic procedures, while the details that were most prone to errors were scarcely mentioned in any Chinese-language resources.

In the end, Mr. Chen turned to Qicaiying, and the entire process—from preparing the materials to receiving the RFC number—was completed in 20 days.

What pitfalls did we run into during these 45 days of detours? Today, we’ll break them down one by one.

老周（化名）做美客多墨西哥站跨境店快两年了，生意不算大，月销差不多10万比索。每次看月度账单，他都会盯着“预扣税”那一栏皱眉头——平台直接扣走了36%，一个月3.6万比索，一年下来四十多万比索就这么没了。

他在卖家群里问了一圈，有人说“注册RFC就能退”，有人说“退不了，那就是墨西哥的税”。越问越糊涂。

老周的困惑不是个例。大量做美客多墨西哥站的跨境卖家，每个月被预扣36%的税，但很少有人真正搞明白这笔税的来龙去脉——它到底是什么税、能不能退、怎么退、退多少。

从墨西哥公司、RFC税号到店铺申请与后续税务，帮你一次理顺本土店经营链路。 本土店不是简单换一个主体开店。公司 […]

美客多墨西哥RFC税号服务 不只是拿到一个税号，更重要的是让公司主体、RFC、店铺资料和税务申报保持一致。 面 […]

Zhou Lei (a pseudonym) has been working at a local Mercado Libre store in Brazil for two months, and his monthly sales have just reached 80,000 reais.

Everything seemed to be going smoothly. Until one Tuesday, when he logged into his seller dashboard and saw a red alert:

“Your account has been temporarily suspended. Reason: Registration discrepancy—CNPJ.”

Translation: Your account has been temporarily suspended due to discrepancies in your CNPJ registration information.

Zhou Lei’s first reaction was—“My CNPJ tax ID was registered for me by the service provider; how could it possibly be flagged as abnormal?”

He contacted the service provider, who told him that the CNPJ information was in order and asked him to wait for the platform’s review. A week has passed, and the account remains frozen, while Meike Duo customer service keeps repeating the same boilerplate response: “Please submit a request for CNPJ re-verification through the Seller Support Center.”

Two months of hard work went down the drain overnight.