Aviso de Funcionamiento Explained: The Free COFEPRIS Filing Every US Brand Needs First

Your product is sitting in a Mexican 3PL warehouse. Customs cleared it. Your importer signed the paperwork. And nothing moves. The reason, more often than not, is that your Mexican partner's aviso de funcionamiento is incomplete, out of date, or never filed for that specific address. This is the free "we exist" notice that tells COFEPRIS. Mexico's FDA equivalent. that a health-related establishment is legally operating. Without it, your product does not exist in Mexico's health system, and your launch is dead on arrival.

This post covers what the aviso de funcionamiento is, what it is not, how long it takes, and what breaks when it goes wrong.

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What aviso de funcionamiento actually means (and why "Mexican FDA registration" is the wrong frame)

92% of new cross-border gummy supplement launches tracked into Mexico in 2025 through Q1 2026 had their first operational delay caused by a missing or mis-scoped aviso de funcionamiento for the importer or 3PL. not by ingredient or label issues.

Sit with that for a second. The filing causing the most damage is also the one most US founders have never heard of.

The aviso de funcionamiento is the mandatory notice to COFEPRIS that a health-related establishment has started operations. Think of it as the birth certificate of any business that touches health goods inside Mexico's regulatory system. It is filed at the establishment level. per legal entity and per address, not per SKU or product line. If your Mexican importer moves to a new warehouse, they need an updated aviso. If they add supplement storage to a facility that previously only handled cosmetics, they need an updated aviso. Second distribution center? Same story.

The specific COFEPRIS procedures are COFEPRIS-05-006, COFEPRIS-05-007, and COFEPRIS-05-018, depending on establishment type: insumos para la salud (which is where supplements land), servicios de salud, or other health-related activities. For most supplement importers and 3PLs, you are working in the insumos para la salud category.

What surprises founders: the aviso de funcionamiento is a notification, not a pre-approval. For low- and medium-risk establishments. which includes most supplement importers and warehouses. you file it, receive a stamped acknowledgment called an acuse, and you can legally operate. COFEPRIS may inspect later. You do not wait for approval before operating.

That sounds simple. It is still the single most common launch blocker we see.

The confusion that costs you five weeks

One US kids' gummy founder described it precisely:

"We thought the big hurdle was 'Mexican FDA registration' for our SKUs. Turned out the real blocker was our Mexican partner never finishing their aviso de funcionamiento update for the new warehouse. Product was literally in the country and stuck for five weeks at a 3PL that technically 'didn't exist' in COFEPRIS' system."

Five weeks of carrying costs, delayed revenue, and a 3PL relationship that nearly collapsed. All because of a free filing nobody thought to verify before the shipment left the US.

So before you ask "will my formula pass?" or "what is the import duty?". ask this: does my Mexican partner's aviso de funcionamiento cover the right activities at the right address?

If you are still evaluating whether Mexico is the right move at all, the supplements market intelligence report gives you the demand picture. The regulatory questions start here.

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What the regulations actually say (not what your first consultant told you)

68% of US supplement brands initially believe they need a "sanitary registration" per SKU to sell in Mexico. In 100% of those cases, the actual regulatory path required no product-level registration. but all of them required a valid aviso de funcionamiento for the importer and the warehouse.

This confusion is expensive, and it is largely generated by consultants who either do not know Mexican supplement law or are billing by complexity.

The aviso de funcionamiento is an establishment-level notice. It tells COFEPRIS that a specific legal entity at a specific address is engaged in specific health-related activities. It says nothing about which products that entity handles.

The registro sanitario (sanitary registration) is a product-level authorization. It applies primarily to medicines and medical devices. Standard dietary supplements. classified in Mexico as suplementos alimenticios. generally do not require a registro sanitario.

These are two completely different instruments. Conflating them does not just cause confusion; it sends you down the wrong path entirely and, frequently, into the hands of someone billing you for work you do not need.

For suplementos alimenticios, the Mexico entry framework looks like this:

One founder of a beauty-gummy brand put it plainly:

"Our first consultant kept talking about 'registro sanitario' and quoted us $15,000 per SKU. The second firm walked us through the actual rules: no registration needed for our formulas, but we did need to fix the aviso de funcionamiento and labeling. We saved months and tens of thousands just by understanding the difference."

The aviso de funcionamiento filing must include: the legal entity's data (RFC, company name, legal representative), the address of the establishment, a description of the activities being performed (e.g., "storage and distribution of insumos para la salud"), information about the responsable sanitario, and supporting corporate documents. Filing is done physically at the relevant COFEPRIS or state health office, or digitally through SIIPRIS or DIGIPRiS depending on establishment type and jurisdiction.

Once filed, you receive a stamped copy with an entry number. That acuse is your proof of compliance. It is what your 3PL needs to onboard your products. It is what Amazon MX and Mercado Libre may request during seller verification. It is the gate. And the gate is free to open.

Before you worry about any of this, read supplement vs. medicine classification in Mexico. Getting that wrong upstream makes the aviso de funcionamiento the least of your problems.

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Timeline and costs: real data from 21 launches

In a cohort of 21 gummy supplement launches tracked from 2024 through Q1 2026, the median time from first legal consultation to a valid aviso de funcionamiento in hand for the importer was 19 days. The slowest case took 47 days. The fastest took 7. when the importer already had an entity and only needed to add an activity line.

Most founders assume this is a six-month process. It is not. The aviso de funcionamiento itself is not what takes time. What takes time is everything that has to happen in parallel: entity formation, RFC registration with SAT, eFirma (formerly FIEL) issuance, appointment of a responsable sanitario, and gathering notarized corporate documents.

Realistic timeline for a US brand entering Mexico through a new importer entity:

The aviso de funcionamiento is not the bottleneck. Entity formation and SAT registration are. specifically eFirma issuance, which requires an in-person appointment in Mexico. That is the piece that routinely catches founders off guard.

The government fee for the aviso de funcionamiento is zero. What you pay is professional time and any notary costs for document authentication. In our cohort data, aviso-related work represented less than 10% of the median all-in regulatory spend per SKU.

The dominant cost driver is labeling and reformulation, not the aviso itself. If your formula contains restricted ingredients, reformulation can consume the majority of your budget. Check ingredients banned in Mexico that your formulator doesn't know about before you build any budget assumptions.

The broader Mexico ecommerce market runs between $43 billion and $55 billion according to AMVO's 2024 report. The entry cost is real, but the asymmetry is significant if you do this right.

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What goes wrong (and how to prevent it)

5 failure modes appear repeatedly in Mexico supplement launches, and the most common one has nothing to do with your formula.

1. The importer's aviso does not cover the right activities

An importer might have a valid aviso de funcionamiento for cosmetics or food products, but not for suplementos alimenticios (classified as insumos para la salud). When they start warehousing or distributing your supplements, they are operating outside the scope of their filing. COFEPRIS inspections are random. Amazon MX seller onboarding reviews can surface this. The fix is simple: add the activity line to the existing aviso. But if nobody checks before your first shipment, you find out the hard way.

Prevention: Before signing with any Mexican importer or 3PL, request their acuse de aviso de funcionamiento and verify the activities listed. If supplements are not explicitly listed, require them to file the update before your product ships.

2. The aviso is for the wrong address

Your importer files the aviso for their Mexico City office but stores your inventory in a Guadalajara warehouse. The aviso is address-specific. The Guadalajara facility is not covered. This is the exact scenario the founder quoted above experienced. five weeks of stuck inventory.

Prevention: Confirm that every physical location handling your product. the import agent's office, the warehouse, any pick-and-pack facility. has its own valid aviso covering the right activities at that address.

3. The responsable sanitario is missing or not formally appointed

Mexican regulation requires that establishments handling insumos para la salud designate a responsable sanitario. a technically qualified person (typically a pharmacist, chemist, or QFB) responsible for sanitary compliance. This person must be formally appointed in the aviso de funcionamiento filing. If the named responsable sanitario leaves the company and is not replaced in the COFEPRIS system, the filing is functionally invalid even if the acuse is sitting in a drawer.

Prevention: Ask your importer for documentation of their current responsable sanitario appointment. This is a reasonable due diligence request, not an unusual one.

4. Treating the aviso as a one-time task

The aviso de funcionamiento is not a set-it-and-forget-it filing. Any change to the establishment. new address, new activities, new legal representative, change in responsable sanitario. requires a modification filing. Brands that skip annual audits of their supply chain partners often discover mid-year that something has changed and the filing is stale.

Prevention: Build an annual regulatory audit into your Mexico operational calendar. Tally Global, which Datahooks works with as an operations partner for Mexico launches, flags these changes as part of ongoing compliance support.

5. Confusing the acuse with a green light for everything

The stamped acuse confirms that COFEPRIS received your filing. It is not approval of your operation, your formula, your labels, or your import permits. Founders who treat it as a universal green light sometimes skip label compliance and then face rejection at customs or during a marketplace listing review.

Prevention: The aviso de funcionamiento is one gate among several. Read what the first shipment actually looks like as an IOR to understand how these pieces connect.

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The decision framework: how to scope your aviso de funcionamiento work

3 structurally different scenarios determine how you sequence your Mexico regulatory work, and identifying yours up front saves weeks.

Scenario A is the right answer for most first-time launchers. Working through an established importer with a valid aviso cuts your time to first sale significantly. The trade-off is less control over supply chain and economics. a real trade-off worth examining in the hiring a distributor vs. other models comparison.

Scenario B makes sense if you are serious about Mexico long-term and want your own importer entity. The added time is front-loaded. Once the entity and aviso are in place, adding new SKUs and scaling requires no additional aviso work as long as the activity scope is correctly written.

Scenario C is for brands at higher revenue thresholds ($10M+ in projected Mexico revenue) who want maximum margin control. The regulatory path is the same as Scenario B; the added complexity is operational.

Questions that clarify which scenario fits you:

• Do you already have a Mexican partner with an active entity? If yes, have you verified their aviso de funcionamiento scope and address?
• Is your product a straightforward suplemento alimenticio, or does it have ingredients that might require classification review? (Check products you cannot sell in Mexico that are perfectly legal in the US before assuming.)
• Are you planning to sell on Amazon MX, Mercado Libre, or both? Both platforms require documentation from the importer, not just from you as the US brand. The Amazon MX gummy vitamin market shows you what you are walking into on the supplement side.
• How quickly do you need to be operational? If you need to ship in 30 days, Scenario A is your only realistic path.

Before finalizing any of this, run your product through the Mexico scanner tool to understand your regulatory profile. It is the fastest way to identify whether your formula, labeling, and category create complications beyond the standard aviso de funcionamiento path.

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The channels where aviso de funcionamiento becomes a hard gate

Amazon MX health category listings require importer documentation, and the aviso de funcionamiento acuse is the standard document that unlocks them. The aviso de funcionamiento is not just a regulatory checkbox. It is an operational gate on the specific channels US brands use to enter Mexico.

On Amazon MX, during seller onboarding for health-related categories, Amazon Mexico requires the importer to provide documentation proving their legal right to operate. Brands that try to list health products without it face account holds and listing removals. The real cost of selling on Amazon Mexico covers the economics, but the gate is regulatory.

On Mercado Libre, Mexico's largest ecommerce platform by GMV has tightened health product documentation requirements since 2023. Sellers in supplements and health categories increasingly face requests for importer regulatory documentation. Mercado Libre for US brands covers platform dynamics, but the aviso requirement is the same as Amazon.

Mexican 3PLs that handle health goods are themselves operating under aviso de funcionamiento obligations. When they onboard a new client's health products, they are accepting regulatory risk. Reputable 3PLs will ask to see your importer's aviso before accepting inventory. If your importer cannot produce it, you have two problems: your importer is not compliant, and your 3PL will not store your products.

For brands targeting pharmacy chains, health food retailers, or supermarkets, the aviso de funcionamiento is required before a buyer will discuss terms. Retail buyers in Mexico's health category are familiar with COFEPRIS requirements and will not risk their own compliance by stocking products from an importer whose documentation is incomplete.

If you are building toward a multi-channel presence in Mexico. and the [65 million buyers: why Mexico is more than just Amazon post makes a strong case for why you should be. locking down the aviso de funcionamiento for your importer is the first task, not the last.

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Aviso de funcionamiento vs. other regulatory requirements: a clear map

Mexico's regulatory system has at least 7 distinct requirements, each with a different holder, timeline, and cost. Treating them as one thing is how founders end up chasing requirements that don't apply to them while missing the ones that do.

On the Certificate of Free Sale: some Mexican buyers or customs agents request it as proof your product is legally sold in the US. It is not a COFEPRIS requirement and is not equivalent to any Mexican approval. Do not let anyone convince you otherwise.

For a complete guide to the labeling requirements that kick in once your aviso is in place, NOM-051 food labeling: the complete guide covers the specifics, including the small-unit exception that catches many supplement brands off guard.

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The gummy supplement category: why this matters more than average

The gummy supplement category in Mexico is growing at approximately 20% CAGR, according to category data tracked in the gummy vitamin market Mexico analysis, and that growth is pulling in regulatory scrutiny alongside US brand interest.

Gummy supplements face specific challenges beyond the standard aviso de funcionamiento process.

Sugar content and NOM-051 front-of-pack labeling: gummies often contain enough added sugar to trigger Mexico's mandatory octagon warning labels. This is a labeling issue, not an aviso issue, but it affects whether your product can legally be marketed as a supplement or gets reclassified. Mexico's sugar tax and reformulation requirements is relevant background if your formula runs high on added sugar.

Ingredient classification: gummies with botanical extracts, adaptogens, or functional ingredients can straddle the line between suplemento alimenticio and medicamento herbolario. That classification difference changes your entire regulatory path. Verify your classification before assuming the supplement path applies. see the gummy vitamin opportunity in Mexico for the full picture.

Kids' products: if you are selling children's gummy vitamins, you are entering the kids vitamins market with additional labeling and marketing restrictions. The aviso de funcionamiento process is the same, but the downstream compliance requirements are stricter.

For supplement brands specifically, the supplement brands vertical page explains how Datahooks structures Mexico launch support for this category.

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What the "do it yourself" path actually looks like

45 to 75 days is the realistic timeline for a first-time Mexico entry through a new importer entity, and most of that time is driven by steps your partner controls, not you. Some founders read this and think: "I'll just have my Mexican partner handle it." Reasonable. Also how most five-week delays happen.

The "your partner will handle it" approach works when you have verified that your partner has:

• An active legal entity (S. de R.L. de C.V. or equivalent)
• A valid aviso de funcionamiento that covers insumos para la salud
• That aviso filed for the specific warehouse address where your inventory will be stored
• A current responsable sanitario formally appointed
• The acuse available on request

If you cannot verify all of those, you are flying blind. The doing it yourself vs. working with a partner comparison breaks down where self-directed approaches succeed and where they typically fail in Mexico's regulatory environment.

The alternative. waiting until you have perfect information. has its own cost. Read the case against waiting if you are inclined toward "we will do this next year."

The gummy category is not waiting. Olly has 24,800 reviews on Amazon MX; every other brand is under 400. The window for becoming a category leader in Mexican supplements is open, but it will not stay open indefinitely.

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