Amazon Mexico Tax Withholding For Foreign Sellers: IVA And ISR Explained

Amazon Mexico withholds tax from marketplace sellers at source. A seller who has not provided a valid Mexican RFC faces the maximum rates: 20 percent ISR on the sale price and the full 16 percent IVA. Sellers with a registered RFC face substantially lower ISR withholding, and registered taxpayers can credit withheld IVA against their own liability. The withholding is applied by Amazon and remitted to SAT; it is not optional and it is not negotiable.

• Without a valid RFC, ISR withholding is 20 percent of the sale price, applied regardless of your actual margin.
• Without an RFC, or where funds are paid to a foreign bank account, platforms withhold 100 percent of the IVA, which at the standard rate means 16 percent.
• Mexico's 2026 tax framework extended automatic withholding across digital platforms including Amazon and Mercado Libre, for both individuals and companies.
• IVA withheld from a registered taxpayer can be credited; IVA withheld from an unregistered foreign seller generally cannot be recovered.
• Withholding is calculated on the sale price, not on profit, which is why it hits low-margin categories hardest.

What does Amazon withhold and at what rate?

Two separate taxes. ISR at 20 percent of the sale price for sellers without an RFC, and IVA at the full 16 percent where no RFC is provided or funds go to a foreign account.

Mexico requires digital platforms to withhold tax at source from the sellers who trade on them. Amazon does not choose to do this; it is a legal obligation, and the amount depends on what you have told Amazon about your tax status. ISR is income tax. For a seller without a valid RFC the withholding is 20 percent of the sale price. Read that carefully: the sale price, not the profit. A seller running a 15 percent margin does not pay 20 percent of the margin, they lose more than the margin itself on that transaction. IVA is value added tax, standard rate 16 percent. Where the seller has not provided an RFC, or where proceeds are paid to a foreign bank account, the platform withholds the entire IVA rather than a partial share. The two stack. A seller without an RFC selling into Mexico sees both applied to the same transaction, and the combined effect is severe enough that many sellers discover their Mexico operation was never profitable once the first settlement report arrives.

Why does the RFC change the outcome so much?

The maximum rates function as a default for unidentified taxpayers. Registration moves you into the ordinary regime with lower rates and recoverable IVA.

The high withholding is not a penalty in the formal sense, but it works like one. Mexico's tax authority cannot assess a seller it cannot identify, so the system withholds at the top of the range and leaves it to the seller to register and reconcile. Once you have a valid RFC and the platform has it on file, two things change. ISR withholding falls to the rate applicable to your regime rather than the punitive default. And withheld IVA becomes creditable: as a registered taxpayer you offset it against the IVA you charge and owe, so it stops being a permanent cost and becomes a timing difference. For a foreign seller without Mexican registration, withheld IVA is generally not recoverable. That is the part sellers underestimate. The ISR is painful but visible; the unrecoverable IVA is a silent 16 percent that never comes back. This is why the RFC question is not a paperwork preference. It determines whether roughly a third of your revenue is a tax cost or a recoverable balance.

What are the options for a foreign seller?

Register a Mexican entity and obtain an RFC, work through a structure that holds the RFC, or accept the maximum withholding as a cost of doing business.

Establishing a Mexican entity gives you an RFC, access to the ordinary tax regime, creditable IVA and the ability to enrol in the padrón de importadores so you can import in your own name. The cost is time, professional fees and ongoing filing obligations, including monthly returns whether or not you traded. Operating through a structure that holds the Mexican tax registration is what many cross-border sellers use, particularly when combined with an importer of record arrangement. It resolves the import side and the tax registration together. It is a real commercial relationship, so understand who bears which liability before signing. Accepting the withholding is a legitimate short-term choice while you test the market, provided you price for it. What does not work is pricing as though the withholding is not there and hoping to fix it later. The withholding applies from your first order. Whichever route you choose, model it before you launch. Take a representative SKU, apply 20 percent ISR and 16 percent IVA to the sale price, subtract landed cost and Amazon's referral and fulfilment fees, and see what remains. That number, not the gross margin, is your Mexico business case.

Withholding by seller status

Definitions

• RFC: The RFC (Registro Federal de Contribuyentes) is the Mexican tax identification number required for tax registration, importing and reduced platform withholding.
• ISR: ISR (Impuesto Sobre la Renta) is Mexican income tax, withheld by marketplaces from seller proceeds at a rate that depends on the seller's registration status.
• IVA: IVA (Impuesto al Valor Agregado) is Mexican value added tax at a standard rate of 16 percent, creditable by registered taxpayers and a sunk cost for unregistered foreign sellers.

Frequently asked questions

How much does Amazon Mexico withhold if I have no RFC?

20 percent ISR on the sale price plus the full 16 percent IVA. Both are calculated on the sale price rather than on profit, which is why the combined effect often exceeds a seller's gross margin.

Can I get the withheld IVA back?

A registered Mexican taxpayer can credit withheld IVA against IVA owed. A foreign seller without Mexican tax registration generally cannot recover it, so it becomes a permanent cost.

Do I need a Mexican company to get an RFC?

In practice, tax registration in Mexico requires either a Mexican legal entity or an individual with Mexican tax residency. Foreign sellers commonly work through a structure that holds the registration instead.

Is the withholding calculated on profit or on the sale price?

On the sale price. This is the detail that surprises most sellers, because a 20 percent withholding on revenue can exceed the entire margin on a low-margin product.

Does providing a bank account in Mexico change the withholding?

Paying proceeds to a foreign bank account triggers full IVA withholding. A Mexican account alone does not substitute for an RFC, but the combination of RFC and local account produces the ordinary treatment.

Related Reading

• whether you need a Mexican RFC
• how a Foreign Importer of Record works
• the full US to Mexico lane

Get the import and tax structure right before your first Mexico order: BringGo Ship

Sources

• SAT — Servicio de Administración Tributaria (sat.gob.mx)
• Amazon Seller Central Mexico (sellercentral.amazon.com.mx)

Note: This content is for general information only and is not legal, tax or customs advice. Rates and rules can change often in 2026; verify the current details with an official source (SAT, DOF, CBP) or our licensed customs broker before acting.