Em processo de adequação ao regime das SPSAV, nos termos da Resolução BCB nº 520/2025 (regime de transição do art. 88)

  • Em processo de adequação ao regime das SPSAV, nos termos da Resolução BCB nº 520/2025 (regime de transição do art. 88)

Regulation

FinCEN MSB registration for stablecoin businesses

FinCEN MSB registration for stablecoin businesses: what 31 CFR 1022.380 requires, how the two-year period works, and why registration is not a licence.

Caio Barbosa

Fundador & CO-CEO

Forbes Under 30. Uma das principais vozes em Fintech & Crypto no Brasil. Escreve semanalmente sobre stablecoins, pagamentos e o futuro da infraestrutura financeira na América Latina.

Cover image for Lumx blog article: FinCEN MSB registration for stablecoin businesses
Cover image for Lumx blog article: FinCEN MSB registration for stablecoin businesses

Registration with FinCEN is one of the most frequently cited credentials in this industry and one of the most frequently misread. It is a filing obligation imposed on a defined category of business, it is not an authorization to operate, and the agency does not examine a business before accepting the form. Reading it as a seal of approval is the error that follows from never having read the rule.

What follows is what the rule says, in its own text. Whether a particular business falls inside it is a question about that business, which no article can answer and which belongs to counsel.

What the registration rule requires

The obligation sits in 31 CFR 1022.380. Its paragraph (a)(1) provides that each money services business, whether or not it is licensed as such by any state, must register with FinCEN. The phrase about state licensing is doing real work: a federal registration duty exists independently of whatever a state does or does not require.

Paragraph (a)(2) addresses foreign businesses. A money services business that operates in the United States without a physical presence there must designate the name and address of a person resident in the United States authorized to receive service of legal process, and must identify an address in the United States where its records are kept. Paragraph (a)(3) exempts a business that is a money services business only because it serves as an agent of another one, which is why an agent network does not produce a hundred separate registrations.

The FinCEN registration page states the operational form of the same duty: Form 107 must be completed and signed by the owner or controlling person and filed within 180 days after the date the business is established, registration must be renewed every two years, and a copy of the filed form with supporting documentation must be retained at a location in the United States for five years.

The two-year period, and what restarts it

Paragraph (b)(2) of the rule defines the initial registration period as the two calendar years beginning with the year in which the business first becomes obliged to register, with renewal periods of two calendar years following. This is a calendar construct rather than an anniversary, which is worth noticing when planning a filing calendar.

The rule also sets out when a business must register again inside a period. Under its paragraph (b)(4), re-registration is required where a change in ownership or control obliges a state-registered business to re-register under state law, where more than 10 per cent of the voting power or equity interests is transferred, and where the number of agents increases by more than 50 per cent during a registration period. The form is filed no later than 180 days after that event, and the calendar year in which it occurs is treated as the first year of a new two-year period. A business that raises a round or expands an agent network quickly can reach that threshold without anyone noticing, because the trigger is a corporate event rather than a payments one.

The prior question is whether you are one at all

Registration is downstream of a definition, and the definition is about activity. FinCEN's guidance FIN-2013-G001 of March 18, 2013 applies the money transmitter definition to businesses dealing in virtual currency, and its distinction is the one still worth reading: a user who obtains virtual currency to buy goods or services is not a money services business, while an administrator or an exchanger is one, specifically a money transmitter, unless a limitation or exemption applies.

That test is about what you do with other people's value, not about which asset you hold. A platform that takes a buyer's money and releases it to a seller is doing something the definition reaches, whatever the instrument in the middle. The international vocabulary for the same category is the VASP (virtual asset service provider, the FATF term), and which activities pull a business in covers how that maps across jurisdictions.

Federal registration is also not the whole of the United States question. Money transmission is licensed at state level under separate regimes, and a business can hold a federal registration and still be unlicensed in states where it needs a licence. How the newer federal framework for payment stablecoins sits alongside all of this is in the GENIUS Act.

What a registration tells a counterparty, and what it does not

It tells you the business filed a form asserting it performs a regulated activity, and that the filing is current. That is genuinely useful: an unregistered business performing a registrable activity is out of compliance, so the absence of a registration is informative even though its presence proves less than people assume.

What it does not tell you is that anyone reviewed the business, that its controls work, that its state licensing is complete, or that the entity you are contracting with is the entity that registered. That last one is the practical trap. Groups have several entities, the one on the marketing site is often not the one on the contract, and a registration held by an affiliate does nothing for a payment handled by a sister company.

So the check worth doing is mechanical. Take the legal entity name from the contract, not from the website, and put it into FinCEN's registrant search yourself. The answer comes back in a minute, and that answer is the one version of this fact that is not somebody's claim about themselves.

When registration is the wrong thing to be asking about

If you are choosing a provider, this is one input and a weak one on its own. A registration says nothing about whether the provider can actually settle in the countries you need, which is the question your product will fail on first, and the jurisdictions where onboarding is possible are on the supported countries page. Rank the questions in the order that can break you.

If you are asking whether your own business needs to register, the honest answer is that a blog post is the wrong instrument for it. The determination turns on the structure of your flows, on whether you take custody, on where your customers are, and on exemptions that are argued rather than looked up. Counsel is cheaper than the version of this conversation that happens later.

And if your operation has no United States nexus at all, this framework may be the wrong one to be reading. The obligations that bind you are the ones in the jurisdictions where you and your customers actually are, and a United States registration is not a general credential that travels.

I have a bias in how I read this credential, and it is worth stating because it cuts against my own side of the table. When a provider leads with its registration, I read that as marketing until I have checked it, and I check it the same way for a provider I like as for one I do not. It is a low-cost habit that occasionally produces an uncomfortable answer, which is the only kind of check worth having.

Where this sits for a payments integration

Lumx is stablecoin payments infrastructure for businesses that move money between Latin America and the rest of the world: one API to collect, hold, convert, and pay out in BRL, MXN, COP, USD, EUR, and GBP or in USDC and USDT, over local rails such as PIX, SPEI, PSE, ACH, FEDWIRE, SEPA, and Faster Payments, with SWIFT and on-behalf-of payments and collections (POBO and COBO) in USD, EUR, and GBP, plus named virtual accounts, custodial wallets, and KYB/KYC built in.

Our own published material describes Lumx as a registered money services business, and the point of the section above is that you should not take that from this page. The entity name on your contract is the one to put into the registrant search, and the same applies to every provider you are comparing us against. Who we are as a company is on the about page.

The design consequence for a customer is narrower than the credential suggests. What a provider's registration affects is which legs that provider can perform for you, which is a per-country question rather than a global one. A flow that converts through USD to USDC and settles locally somewhere else crosses more than one regulatory position, and the diligence that matters asks which entity performs which leg under which authorization.

Methodology and sources

31 CFR 1022.380 was read on September 24, 2026 in the current text served by the eCFR, and the provisions summarized here are paragraphs (a)(1), (a)(2), (a)(3), (b)(2), (b)(3) and (b)(4) of that section. The FinCEN registration page was read on the same date, and the Form 107 filing deadline, the two-year renewal and the five-year record retention are stated there. Guidance FIN-2013-G001 was read on the same date in the version published on fincen.gov.

FinCEN's MSB registrant search was not consulted for this post. It depends on a browser session and could not be queried in a way that produces a citable result, which is why no registration status of any named business is asserted here on the strength of that search. The statement about our own material is a description of what we publish about ourselves, and it is offered as something for a reader to verify rather than as evidence.

This post describes what the rules say. It does not advise on whether they apply to a given business, and it is not a substitute for counsel.

Verified on September 25, 2026. Operational context, not legal, tax, or investment advice. 31 CFR 1022.380 checked against ecfr.gov on September 24, 2026. FinCEN MSB registration guidance checked against fincen.gov on September 24, 2026. FIN-2013-G001 checked against fincen.gov on September 24, 2026.

Cover photo: Pawel Czerwinski on Unsplash.

  • Is FinCEN registration a licence?

    No. It is a filing obligation imposed on businesses that perform a defined activity, and the agency does not review or approve a business before accepting the form. Money transmission licensing in the United States happens at state level under separate regimes, and a federal registration says nothing about whether those are in place.

  • How often does an MSB have to register?

    The initial registration period runs for the two calendar years beginning with the year the obligation arises, and renewal periods of two calendar years follow. Re-registration is also required inside a period after certain corporate events, including a transfer of more than 10 per cent of voting power or equity interests and an increase of more than 50 per cent in the number of agents, with the form filed no later than 180 days after the event.

  • Does a foreign company have to register?

    A money services business operating in the United States without a physical presence there is addressed directly by the rule, which requires it to designate a person resident in the United States to receive service of legal process and to identify a United States address where records are kept. Whether a given foreign business is operating in the United States for this purpose is exactly the kind of question that belongs with counsel.

  • How do I verify that a provider is registered?

    Take the legal entity name from the contract rather than from the provider's website and search it in FinCEN's registrant search. Groups often contract through an entity other than the one carrying the brand, and a registration held by an affiliate does not cover a payment handled by a different company.

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A LUMX SOCIEDADE PRESTADORA DE SERVIÇOS DE ATIVOS VIRTUAIS LTDA., pessoa jurídica de direito privado, inscrita no CNPJ/MF sob o nº 42.887.120/0001-00, (“Lumx”) atua como prestadora de serviços de ativos virtuais e encontra-se em processo de adequação ao regime regulatório das Sociedades Prestadoras de Serviços de Ativos Virtuais (SPSAV), nos termos da Resolução BCB nº 520/2025, estando atualmente sujeita ao regime de transição previsto em seu art. 88.

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