The US Treasury Department released its final proposed rules on August 18, 2026 to regulate payment stablecoins. Two deadlines frame the framework: January 2027 for general effectiveness, July 2028 for the ban on foreign stablecoin access to US customers via regulated service providers.
🔑 Key takeaways
- Final proposed rules published in the Federal Register on August 18, 2026 (ref. 2026-16796); public comment period open until October 19, 2026.
- Effective date: January 18, 2027. Prohibition date for service providers: July 18, 2028.
- Regulated digital asset service providers become the key chokepoints for foreign stablecoin access to the US market.
- Self-custody remains largely outside the framework; individuals can still hold foreign tokens in self-custody.
- Tether (USDT), Circle (USDC), and Paxos (PYUSD) approach the 2028 deadline from very different regulatory positions.
A two-stage timeline to close the US market
The proposed rules implement Section 3 of the GENIUS Act, the federal stablecoin law signed on July 18, 2025. The text adds a new Part 1523 to federal regulations and builds on an advance notice published in September 2025.
Two dates anchor the implementation:
- January 18, 2027 — general effective date. It becomes illegal to issue a payment stablecoin in the US without an appropriate federal or state license.
- July 18, 2028 — prohibition on digital asset service providers from offering or selling a payment stablecoin to a person located in the US, unless the issuer is a licensed US issuer or a qualified foreign issuer.
Treasury Secretary Scott Bessent stated: « Treasury welcomes input from stakeholders as we work to provide the regulatory certainty businesses need to innovate and grow in America. »
« Treasury welcomes input from stakeholders as we work to provide the regulatory certainty businesses need to innovate and grow in America. »
Scott Bessent, US Treasury Secretary
Key definitions and the location test
The proposal introduces precise definitions that will determine the real scope of obligations. The term « issue » refers to the first transfer of a stablecoin by its issuer that grants another person the right to use, transfer, or redeem it. This definition covers indirect transfers and treats reissuance after redemption as a new issuance.
An « issuer » is defined as the person obligated to redeem the stablecoin at a fixed monetary value and who states it will maintain a stable value. Treasury clarifies that this focus on the redemption promise is essential to clarify obligations in arrangements such as white-label products.
The location test distinguishes between individuals and entities:
| Person type | Primary criterion | « Located in the US » status |
|---|---|---|
| Individual | Physical presence | If physically present in the US, unless a non-US resident on a « purely temporary » stay |
| US resident abroad | Physical presence | Generally treated as outside the US for a transaction in that situation |
| Entity | Organization law or headquarters | Organized under US/state law, or with main headquarters in the US |
Safe harbors and the access pathway for foreign issuers
The proposal creates conditional safe harbors. A foreign issuer is treated as not having issued a stablecoin in the US if it meets four cumulative conditions: not located in the US, reasonable belief that the recipient is not located in the US, adoption of policies to avoid issuance to US persons, and no advertising targeting this audience.
For service providers, a safe harbor exists: they may rely on a foreign issuer’s declaration of compliance, provided they conduct due diligence. Treasury expects this diligence to include confirming that no secondary trading prohibition is in effect for the issuer.
Section 18 of the GENIUS Act provides a formal access pathway to the US market. The issuer’s home country must have a stablecoin regime comparable to the US regime. The issuer must then register with the Office of the Comptroller of the Currency (OCC) and demonstrate its ability to comply with US legal orders and reciprocal arrangements. This requirement pulls smart contract code into the regulatory process, as Treasury asks whether a platform’s due diligence should include examining a foreign issuer’s contracts and confirming it can seize, freeze, or burn tokens when required by law.
Obligations for digital asset service providers
The term « digital asset service provider » is defined broadly. It covers persons who, for remuneration, conduct in the US activities of exchange of digital assets for fiat or other digital assets, transfer to a third party, custody administration, or participation in financial services related to their issuance. Exchanges, custodians, and transfer businesses are explicitly covered.
The proposal significantly broadens the meaning of « offer or sell. » A platform can fall under the rule by advertising a stablecoin, agreeing to sell it, or informing a customer who contacted it first that it is willing to execute the transaction. Helping a customer circumvent geolocation controls may also constitute a violation. An exchange cannot necessarily defend itself by claiming the buyer requested the token unsolicited.
Penalties under Section 3(a) are severe: fines of up to $1 million per violation, imprisonment of up to 5 years, or both. Section 3(b)(2) becomes applicable upon the law’s effective date and specifically prohibits regulated providers from making available in the US a non-compliant foreign stablecoin, unless that issuer has the technological capability to comply with the terms of any legal order and any reciprocal arrangement.
Market state: three players, three trajectories
The stablecoin market represents approximately $234 billion in capitalization, with a projection of $2 trillion by 2028 according to Standard Chartered. Dollar-backed stablecoins dominate with more than 99% of capitalization. The three main players approach the 2028 deadline from very different positions:
| Stablecoin | Issuer | Market cap | Regulatory position |
|---|---|---|---|
| USDT | Tether | ~$183B (Aug 21) | Based in El Salvador, USA₮ under federal regulation, issuer licenses in El Salvador |
| USDC | Circle | ~$73.3B | Final OCC approval for Circle National Trust Bank |
| PYUSD | Paxos Trust Company | ~$2.9B | Issued under PayPal USD terms, distributed via PayPal and Coinbase |
The proposed rules may make the market more concentrated. Treasury identifies switching costs and reduced consumer choice among the potential costs, and rejected a broader temporary safe harbor for smaller foreign stablecoins. With regulated exchanges becoming the chokepoints, some platforms may delist foreign stablecoins before July 2028, reducing choice for US users and consolidating the market around a few large domestic or qualified foreign issuers.
Conclusion: a regulatory frontier around the token
The proposed rules draw a clear line: the regulatory constraint shifts to the point where the token meets a regulated account. An American can continue to hold or directly receive a foreign stablecoin in self-custody, but as soon as a regulated company enters the chain — purchase, exchange, deposit — compliance becomes decisive.
For foreign issuers, the trade-off will be between OCC registration costs and the size of the accessible market. For exchanges, compliance risk management will become a listing factor. By July 2028, the US stablecoin landscape could be redrawn around a few qualified domestic or foreign players, at the expense of current diversity, while reinforcing the dollar’s foothold in the digital economy.
Sources
- CryptoSlate — Treasury just put a deadline on offshore stablecoins’ access to US customers
- Federal Register — GENIUS Act Regulations on Payment Stablecoin Issuance
- US Treasury — TBAC Charge Q2 2025
- Thomson Reuters — Treasury proposes rules defining stablecoin issuance
- Chapman — GENIUS Act Rulemaking Tracker
- Token Metrics — Treasury proposes GENIUS Act rule on offshore stablecoins
This article is for informational and educational purposes only. It does not constitute investment advice. Do your own research (DYOR) before making any decision.
