{"id":13615,"date":"2026-08-06T10:07:58","date_gmt":"2026-08-06T02:07:58","guid":{"rendered":"https:\/\/www.qicaiying.cn\/?p=13615"},"modified":"2026-08-06T10:08:03","modified_gmt":"2026-08-06T02:08:03","slug":"2026%e5%a2%a8%e8%a5%bf%e5%93%a5%e7%a8%8e%e6%94%b9%e8%90%bd%e5%9c%b0%e5%8d%8a%e5%b9%b4%ef%bc%9a%e8%b7%a8%e5%a2%83%e5%8d%96%e5%ae%b6%e7%9a%84rfc%e7%a8%8e%e5%8f%b7%e7%94%9f%e5%ad%98%e7%8e%b0%e7%8a%b6","status":"publish","type":"post","link":"https:\/\/www.qicaiying.cn\/en\/archives\/13615","title":{"rendered":"Six Months Since Mexico\u2019s 2026 Tax Reform Took Effect: A Report on the Current Status of RFC Tax ID Numbers for Cross-Border Sellers"},"content":{"rendered":"

In 2026, Mexico\u2019s cross-border e-commerce sector is undergoing a \u201csilent shake-up.\u201d<\/p>\n\n\n\n

On the surface, traffic on platforms like Mercado Libre, Amazon, and Shopee continues to grow, and Mexico remains one of the most promising markets for investment in Latin America. But sellers working on the front lines know full well: from the tax reform that took effect on January 1 of this year, to Mercadaria\u2019s sudden notification in June regarding RFC entity consistency verification, to the looming July 20 deadline\u2014For the 2026 Mexican Grand Prix, the rules of the game have completely changed.<\/strong><\/p>\n\n\n\n

This article won\u2019t try to create anxiety or sell you products; it\u2019s simply here to provide a comprehensive overview of the three options available for your current RFC tax number, the actual costs and risk thresholds associated with each option, and how sellers at different stages should make their decisions.<\/p>\n\n\n\n

I. First, Let\u2019s Clarify the Current Situation: What Exactly Did the 2026 Tax Reform Change?<\/strong><\/strong><\/h2>\n\n\n\n

On January 1, 2026, Mexico\u2019s \u201c2026 Tax Reform Plan\u201d officially took effect.<\/a>. The most significant change is:E-commerce platforms such as Amazon and Mercado Libre have officially become tax withholding agents, with data from every transaction synchronized in real time to the Mexican Tax Administration (SAT).<\/strong><\/p>\n\n\n\n

What does that mean?<\/p>\n\n\n\n

In the past, the SAT could only determine how much tax a seller had reported\u2014or whether they had filed at all\u2014by conducting an audit, which created an information gap. Now,The platform deducts payments directly, and SAT can view real-time sales data for every transaction.<\/strong><\/a>. This isn't a matter of \u201cstrengthening regulation\u201d; rather, the logic behind regulation itself has changed\u2014from sellers proactively reporting to the system automatically enforcing compliance.<\/p>\n\n\n\n

Current implementation status across platforms:<\/p>\n\n\n\n

-<\/strong>Amazonian<\/strong>: After the new regulations take effect, taxes on the previous month\u2019s sales will be automatically withheld within the first 10 calendar days of the following month; sellers must upload valid RFC and CSF files in their tax settings.<\/a><\/p>\n\n\n\n

-<\/strong>Mercado, French supermarket chain<\/strong>: New regulations on RFC body consistency verification will be issued in June 2026, with July 20 as the deadline for compliance.<\/a><\/a><\/p>\n\n\n\n

-<\/strong>Shopee<\/strong>: Effective June 1, 2026, the new tax policy will officially take effect for 3PF orders; if a valid RFC is not provided, a 36% withholding rate will apply.<\/a><\/p>\n\n\n\n

The tax rate structure for 2026 is no longer a vague notion of \u201cI heard they deduct a lot,\u201d but rather a clear calculation formula:<\/strong><\/p>\n\n\n\n

Seller Tax ID Status<\/td>Value-Added Tax (VAT) Withholding<\/td>Income Tax (ISR) Withholding<\/td>Comprehensive Withholding<\/td><\/tr>
Local RFC + Local Bank Account<\/td>8%<\/td>2.5%<\/td>10.5%<\/strong><\/td><\/tr>
Domestic RFC + Foreign Bank Account<\/td>16%<\/td>2.5%<\/td>18.5%<\/strong><\/td><\/tr>
Offshore RFC<\/td>16%<\/td>0%<\/td>16%<\/strong><\/td><\/tr>
No RFC \/ Validation Failed<\/td>16%<\/td>20%<\/td>36%<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/a>There are a few details worth noting:<\/p>\n\n\n\n

First, the income tax rate for offshore RFCs is 0%.<\/strong> , This is based on the bilateral tax treaty between China and Mexico<\/a>. However, the registration process for an offshore tax ID can take as long as 6\u20138 months, and VAT refunds are not available.<\/a>The<\/p>\n\n\n\n

Second, the 10.51 TP3T plan with a local RFC and a local bank account is the lowest tier.<\/strong>...but this is only the withholding rate. The difference between the VAT on the remaining 81 TP3T and the income tax corresponding to the actual profit must still be paid during monthly and annual tax filings; it\u2019s not simply a matter of withholding the tax and calling it a day.<\/a>The<\/p>\n\n\n\n

Third, if there is no RFC or validation fails, skip directly to 36%.<\/strong> What does this mean? Most cross-border sellers have net profit margins ranging from 15% to 25%; with a 36% withholding tax rate, every sale results in a cash flow loss.<\/a>The<\/p>\n\n\n\n

With this framework in place, let\u2019s break down each path.<\/p>\n\n\n\n

II. An In-Depth Analysis of Three Pathways: Cost, Timeline, and Risk Thresholds<\/strong><\/strong><\/h2>\n\n\n\n

Option 1: Register for an Offshore RFC Tax ID on Your Own<\/strong><\/strong><\/h3>\n\n\n\n

Logic:<\/strong> Use a Chinese or Hong Kong company as the entity to apply for an offshore RFC tax ID from the SAT, thereby ensuring consistency among the \u201cstore entity, tax ID entity, and payment recipient entity.\u201d<\/a>The<\/p>\n\n\n\n

Process:<\/strong> In July 2025, SAT launched a virtual office platform that supports remote video applications, transitioning from in-person submission to a fully digital process.<\/a>. However, the actual processing time still ranges from 3 to 12 months.<\/a>The<\/p>\n\n\n\n

Cost:<\/strong> Registration and first-year filing: approximately 19,800 yuan (market rate: approximately 20,000 yuan); renewal fee for the following year: approximately 15,000\u201317,000 yuan<\/a>The<\/p>\n\n\n\n

Tax rates:<\/strong> 16% (VAT withheld at source; income tax exempt).<\/p>\n\n\n\n

Advantage:<\/strong><\/p>\n\n\n\n

\u00b7 Consistent entity, highest level of compliance, and no risk of identity mismatch<\/p>\n\n\n\n

\u00b7 The seller holds the tax ID number directly and does not rely on any third party<\/a><\/p>\n\n\n\n

Disadvantage:<\/strong><\/p>\n\n\n\n

\u00b7The de-listing cycle is too long; for sellers who need to get up and running quickly, \u201cwater from a distant source won\u2019t quench an immediate thirst.\u201d<\/a><\/p>\n\n\n\n

\u00b7 Offshore entities cannot claim VAT refunds in Mexico<\/a><\/p>\n\n\n\n

Risk Level: Low<\/strong>
Target Audience:<\/strong> Established sellers with a long-term presence in the Mexican market, stable monthly sales, and the ability to accept a lead time of at least six months.<\/p>\n\n\n\n

Option 2: Register under a local company\u2019s RFC tax ID<\/strong><\/strong><\/h3>\n\n\n\n

Logic:<\/strong> Use the RFC tax ID of a local company (SA or SAS) already registered in Mexico, link it to your cross-border store, and complete the platform verification by authorizing it through the legal representative's email address.<\/a><\/a>The<\/p>\n\n\n\n

Cycle:<\/strong> Registration can be completed in as little as 24 hours.<\/p>\n\n\n\n

Cost:<\/strong> A one-time registration fee of 12,000\u201315,000 yuan + annual renewal fees for bookkeeping and tax filing (approximately 800 yuan\/month for SA, approximately 1,200 yuan\/month for SAS) + a service fee based on a percentage of sales.<\/p>\n\n\n\n

Tax rates:<\/strong> You can link up to 10.51 TP3T from local bank accounts and 18.51 TP3T from foreign bank accounts.<\/p>\n\n\n\n

This is the proposal that has sparked the most controversy and generated the most conflicting information in the current market.<\/strong> Let's break it down step by step.<\/p>\n\n\n\n

Key Differences Between SA and SAS<\/strong><\/strong><\/h4>\n\n\n\n

The differences in Mexican corporate structures mentioned in the materials are extremely important in practice. The most fundamental distinction between an SA (Sociedad An\u00f3nima, or joint-stock company) and an SAS (Sociedad por Acciones Simplificada, or simplified joint-stock company) lies in the annual sales cap.<\/a>The<\/p>\n\n\n\n

SAS's 5 million peso cap:<\/strong> Under Mexican corporate law, the annual sales cap for a SAS is 5 million pesos (approximately 2 million RMB). Once this limit is exceeded, the company must upgrade to an SA or another corporate structure; otherwise, it risks having its tax filings suspended.<\/a>. For cross-border sellers with monthly sales consistently above 200,000 pesos, the \u201cshelf life\u201d of SAS is actually quite short.<\/p>\n\n\n\n

SA has no such restriction:<\/strong> An SA is the most common type of Mexican company, with no upper limit on sales.<\/a><\/a>. Equity interests are freely transferable, making this structure suitable for raising capital or long-term planning; however, the registered capital requirement is higher and the registration process is more complex (it must be notarized and takes 4\u20138 weeks).<\/a>The<\/p>\n\n\n\n

Why are SAs more popular among major retailers in the affiliate marketing market?<\/strong> Essentially, it\u2019s a \u201cceiling issue.\u201d For many cross-border sellers, SAS\u2019s 5 million peso cap isn\u2019t particularly high; once exceeded, not only do they have to bear the cost of upgrading, but they also have to go through a tax settlement process\u2014which is more of a hassle than simply choosing SA from the start.<\/p>\n\n\n\n

The Three-Tiered Risks of the \"Affiliation\" Model<\/strong><\/strong><\/h4>\n\n\n\n

Risk #1: \u201cIdentity Mismatch\u201d at the Platform Level\u201d<\/strong><\/p>\n\n\n\n

The \"Survey on the Impact of RFC Subject Consistency Verification\" issued by Meiketuo in June 2026 sends a clear signal:The platform is cracking down on the practice of \u201cborrowing tax ID numbers\u201d<\/strong><\/a>. This verification process requires all sellers using cross-border stores (CBT) where the tax ID holder and the store owner are not the same to upload the CSF file, verify their email address, and sign the RFC Informed Consent Form online within the specified timeframe (approximately two weeks).<\/a><\/a>The<\/p>\n\n\n\n

The verification process consists of two steps:<\/p>\n\n\n\n

1,<\/strong>Upload the latest version of the CSF (Certificate of Tax Status) document.<\/strong> The CSF is a tax compliance certificate issued by the SAT that includes the tax ID holder\u2019s registered email address, which is the only way to receive the authorization link later on.<\/a>The<\/p>\n\n\n\n

2,<\/strong>After receiving the authorization link at the legal representative's email address, sign the authorization letter and return it to the platform.<\/strong> <\/a><\/p>\n\n\n\n

Consequences of Late Payment:<\/strong> The tax ID was marked as invalid, and the withholding tax rate skyrocketed to 36%.<\/a><\/a>The<\/p>\n\n\n\n

A fact we need to face:<\/strong> Currently, Meiketuo still allows the registration of tax ID numbers that do not match the registered entity, but has strengthened controls through email verification and CSF file reviews. Whether the policy will be further tightened remains an unpredictable factor.<\/p>\n\n\n\n

Second Level of Risk: Joint and Several Liability from a Tax Perspective<\/strong><\/strong><\/p>\n\n\n\n

The SAT explicitly stipulates that the RFC number must match the business entity\u2019s information; sharing multiple accounts or using another party\u2019s RFC number is strictly prohibited. If the RFC entity to which the account is linked is subject to a tax audit (e.g., due to abnormal sales figures or discrepancies in tax filings), all linked stores will be affected simultaneously and may face store closures, frozen funds, and retroactive tax collection (with a maximum statute of limitations of 5 years).<\/a>The<\/p>\n\n\n\n

Third Risk: Contagion Risk from Service Provider \u201cDefault\u201d<\/strong><\/p>\n\n\n\n

The risks associated with the \u201caffiliation\u201d scheme depend heavily on the service provider\u2019s integrity and tax compliance capabilities. If the service provider experiences a cash flow crisis, goes out of business, or is penalized by the State Administration of Taxation (SAT), all affiliated stores will suffer the consequences.<\/a>The<\/p>\n\n\n\n

Risk Level: Moderate to High (depending on the service provider\u2019s quality and operating practices)<\/strong>
Target Audience:<\/strong> Sellers who are new to the Mexico market, need to quickly validate their products, are in a transitional period while waiting for an offshore tax ID, or are testing seasonal bestsellers.<\/p>\n\n\n\n

Option 3: Direct Operation Without an RFC<\/strong><\/strong><\/h3>\n\n\n\n

What does the 36% combined tax rate mean?<\/strong> Take a monthly sales figure of 1 million pesos as an example: the platform deducts 360,000 pesos directly, essentially wiping out the gross profit margin.<\/a>. Effective June 1, 2026, sellers on Shopee Mexico who do not provide a valid RFC will be subject to a default combined tax withholding rate of 36%.<\/a>The<\/p>\n\n\n\n

Situations where this option is applicable:<\/strong> This is a very short-term liquidation, and there are no long-term operational plans. After 2026, operating in the Mexican market without an RFC will be essentially impossible.<\/p>\n\n\n\n

III. Practical Guide: Specific Procedures and Precautions for Registering a Tax ID Under Another Entity<\/strong><\/strong><\/h2>\n\n\n\n

If you decide to go with the \u201caffiliation\u201d option, here are the practical steps you need to know and some details that are easily overlooked.<\/p>\n\n\n\n

Platform Verification Process (Using Meike Duo as an Example)<\/strong><\/strong><\/h3>\n\n\n\n

1. The seller submits a request to the service provider and confirms the documents for registering under the service provider\u2019s tax ID.<\/p>\n\n\n\n

2. Provide the email address and name of the legal representative associated with the tax ID number<\/p>\n\n\n\n

3. Upload the CSF file (Certificate of Tax Status) in the seller dashboard<\/p>\n\n\n\n

4. The platform sends an authorization link to the email address registered in CSF.<\/p>\n\n\n\n

5. The tax ID holder clicks the link, receives the verification code, and signs the \u201cRFC Confirmation and Authorization Letter\u201d online.<\/p>\n\n\n\n

6. Once the platform\u2019s verification is approved, the tax ID becomes effective.<\/a><\/a><\/p>\n\n\n\n

Details That Are Easily Overlooked but Very Important<\/strong><\/strong><\/h3>\n\n\n\n

1. The CSF registration email address is key.<\/strong> This authorization email will be sent to the email address you provided when you previously submitted your CSF file. If the email address is no longer active or cannot receive messages, it will directly affect the verification process.<\/a>. Before registering, please make sure the email address is currently active and functioning properly.<\/p>\n\n\n\n

2. If multiple stores share the same RFC, each must be authorized separately.<\/strong> Although a single RFC tax ID can be linked to multiple stores, each store must complete the authorization verification process separately; failure to do so for any one store may result in compliance risks.<\/a>. The risk is also shared\u2014if there's a problem with one tax ID, all linked stores will be affected.<\/a>The<\/p>\n\n\n\n

3. Being affiliated with an organization isn\u2019t just a matter of \u201csigning up and calling it a day.\u201d<\/strong> RFCs must be filed monthly (by the 17th of the following month), and during the period of registration with the service provider, you must continue to cooperate with the service provider\u2019s bookkeeping and tax filing arrangements.<\/a>The<\/p>\n\n\n\n

4. The window of opportunity for verification is very short.<\/strong> In the first week, the platform issued a notice requiring users to upload their CSF; authorization links began to be sent out at the end of the first week, with the deadline falling at the end of the second week. If any step is not completed, the tax rate will be immediately adjusted to 36%.<\/a>The<\/p>\n\n\n\n

IV. How Should Sellers Choose at Different Stages? \u2014 A Decision-Making Framework<\/strong><\/strong><\/h2>\n\n\n\n

Scenario 1: Just Launched, Product Testing Phase, Unstable Monthly Sales<\/strong><\/p>\n\n\n\n

You might consider starting by registering as an affiliate with SA (the version with no sales cap) to quickly test the market at a low cost. Registering as an affiliate resolves the current tax rate issue while allowing you to simultaneously assess whether to commit to the market long-term. This is the most cost-effective way to test the waters.<\/p>\n\n\n\n

Scenario 2: Stable Monthly Sales and Long-Term Plans<\/strong><\/p>\n\n\n\n

We recommend pursuing two tracks in parallel: using affiliation as a transitional measure while simultaneously initiating self-registration under the offshore RFC.<\/strong> The registration process for an offshore tax ID takes 6\u20138 months; once the tax ID is issued, you can gradually switch to your own tax ID. Using a registered agent resolves tax rate issues during this period, while registering your own business addresses future compliance issues\u2014the two are not mutually exclusive. Note for new sellers: You may ship FBA inventory before the RFC is officially issued, but taxes will be withheld at the standard rate for sellers without an RFC (36%) during this period. The tax rate will automatically adjust once the tax ID is uploaded and verified.<\/a>The<\/p>\n\n\n\n

Scenario 3: Multiple stores and a large scale of operations<\/strong><\/p>\n\n\n\n

Assess the type of your current registration arrangement (whether it is a long-term registration with compliant filings or a short-term registration with zero filings). Short-term registrations must be upgraded or replaced by July 20 to avoid crossing the \u201c36%\u201d red line.<\/a>. At the same time, you may want to consider the option of owning a local company\u2014directly acquiring a Mexican SA company, taking control of the legal entity and tax ID, and completely eliminating the risk of dependence on service providers.<\/a>The<\/p>\n\n\n\n

V. A Pragmatic Summary<\/strong><\/strong><\/h2>\n\n\n\n

The essence of Mexico\u2019s 2026 tax reform is that the SAT has used technology to transform tax compliance from an \u201coptional\u201d requirement into a \u201cmandatory\u201d one.<\/p>\n\n\n\n

Being affiliated with an organization isn't the end goal, but it can be a starting point.<\/strong> SAT\u2019s data synchronization capabilities and AI auditing capabilities are continuously improving. In the long term, having a self-registered tax ID that matches the business entity and allows for independent tax filing remains the ultimate goal. However, during the 6- to 8-month waiting period for self-registration\u2014or in the early stages of market validation\u2014using a registered agent is the only viable option that allows you to operate at a tax rate of 10.51 TP3T (for payments received through domestic banks) or 18.51 TP3T (for payments received through foreign banks).<\/p>\n\n\n\n

The cost of compliance is known, but the cost of running into trouble is unknown.<\/strong><\/a>. First, calculate the known costs clearly, then take a chance on potential unknown gains\u2014that\u2019s the survival strategy of seasoned cross-border players.<\/p>\n\n\n\n

If you are having trouble with the RFC tax ID program, platform verification, or filing maintenance for the Mexico site, please feel free to contact Qicaiying Customer Service.<\/p>\n\n\n\n

WeChat: qcygscszk or call 18676749275<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Enterprise Finance Group<\/strong><\/h2>\n\n\n\n

Founded in 2015 and headquartered in Shenzhen, Qicaiying Group is a leading provider of corporate services and tax compliance solutions in China.<\/p>\n\n\n\n

The Group is deeply committed to providing services across the entire corporate lifecycle. Its core business areas include: business registration, bookkeeping services, tax compliance, overseas company registration (Hong Kong, the U.S., Singapore, Mexico, etc.), cross-border structuring, outbound direct investment (ODI) filing, overseas tax planning, bank account opening assistance, and identity planning.<\/p>\n\n\n\n

Over the past decade, Qicaiying has served more than 10,000 corporate clients and has accumulated solid practical experience in key areas such as corporate structuring in Hong Kong and overseas, cross-border tax and financial compliance, and corporate accounting management. The Group boasts a team of seasoned financial and tax advisors who closely monitor changes in domestic and international tax systems and regulatory trends, providing clients with one-stop solutions ranging from structural planning to implementation.<\/p>","protected":false},"excerpt":{"rendered":"

In 2026, Mexico\u2019s cross-border e-commerce sector is undergoing a \u201csilent shake-up.\u201d<\/p>\n

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This article won\u2019t try to create anxiety or sell you products; it\u2019s simply here to provide a comprehensive overview of the three options available for your current RFC tax number, the actual costs and risk thresholds associated with each option, and how sellers at different stages should make their decisions.<\/p>","protected":false},"author":10,"featured_media":9745,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,18,13,127],"tags":[1665,1517,1518],"class_list":["post-13615","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-allguide","category-recomguide","category-guide","category-mexican-meikeduo","tag-rfc"],"yoast_head":"\n2026\u58a8\u897f\u54e5\u7a0e\u6539\u843d\u5730\u534a\u5e74\uff1a\u8de8\u5883\u5356\u5bb6\u7684RFC\u7a0e\u53f7\u751f\u5b58\u73b0\u72b6\u62a5\u544a - \u4f01\u8d22\u76c8<\/title>\n<meta name=\"description\" content=\"%\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.qicaiying.cn\/en\/archives\/13615\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2026\u58a8\u897f\u54e5\u7a0e\u6539\u843d\u5730\u534a\u5e74\uff1a\u8de8\u5883\u5356\u5bb6\u7684RFC\u7a0e\u53f7\u751f\u5b58\u73b0\u72b6\u62a5\u544a - 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