The U.S. Treasury Department on August 17, 2026, published a Notice of Proposed Rulemaking (NPRM) to implement Section 3 of the GENIUS Act, the federal law governing payment stablecoins signed on July 18, 2025. The proposed rules define who may issue, offer, and sell payment stablecoins in the Un...
"Treasury is moving quickly to implement that framework. Treasury welcomes input from stakeholders as we work to provide the regulatory certainty businesses need to innovate." — Scott Bessent, U.S. Secretary of the Treasury
The U.S. Treasury Department on August 17, 2026, published a Notice of Proposed Rulemaking (NPRM) to implement Section 3 of the GENIUS Act, the federal law governing payment stablecoins signed on July 18, 2025. The proposed rules define who may issue, offer, and sell payment stablecoins in the United States, establish criminal penalties of up to $1 million per violation and five years' imprisonment, and set a two-phase compliance timeline: an issuance ban for unlicensed entities beginning January 18, 2027, followed by a distribution prohibition on July 18, 2028, after which U.S. exchanges and brokers cannot list stablecoins from non-compliant issuers.
The rulemaking arrives as stablecoin market capitalization stands at approximately $308 billion, 99.5% of it dollar-denominated. Tether's USDT commands roughly $183 billion of that total. Circle's USDC holds $73.3 billion. The Treasury NPRM, combined with a parallel OCC rulemaking targeting November finalization, will determine whether offshore-issued tokens retain access to U.S. users or face effective delisting. For Tether specifically, an estimated $47 billion in USDT reserves do not meet GENIUS Act qualifying-asset standards and would require restructuring.
The GENIUS Act's implementation is not a single regulatory event. Three separate federal agencies are issuing rules simultaneously, each governing different aspects of stablecoin operations:
Treasury Department (August 17, 2026): Section 3 NPRM defining issuance, offer, and sale of payment stablecoins. Establishes territorial scope, foreign issuer safe harbors, and enforcement penalties. Comment period closes October 19, 2026.
Office of the Comptroller of the Currency (February 25, 2026): A 376-page NPRM covering reserves, redemptions, supervision, custody, capital standards, and issuer application procedures for OCC-supervised entities. The 60-day comment period closed May 1, 2026. Comptroller Jonathan Gould disclosed at the Wyoming Blockchain Symposium in mid-August that the OCC targets November 2026 for finalizing these rules.
FinCEN, OCC, FDIC, Fed, NCUA (joint proposal): Customer identification program (CIP) requirements for permitted payment stablecoin issuers. The Blockchain Association submitted a comment letter on August 21, 2026, endorsing the joint approach but calling for CIP obligations limited to direct issuer-customer primary market transactions rather than secondary market activity.
The statutory deadline for all regulators to finalize rules was July 18, 2026 — one year after enactment. That deadline passed without finalization. The GENIUS Act takes effect on the earlier of January 18, 2027, or 120 days after all primary regulators issue final rules. If final rules are not published before September 20, 2026, the January 18 date becomes binding regardless.
The Treasury NPRM establishes a staggered enforcement structure:
Phase 1 — January 18, 2027: No person may issue a payment stablecoin in the United States unless they hold appropriate federal or state authorization. "Issue" is defined as "the first transfer of a payment stablecoin by the issuer that results in a third party having the right to use, transfer, or redeem" the token. Violations carry penalties of up to $1 million per instance and up to five years' imprisonment for knowing participation.
Phase 2 — July 18, 2028: Digital asset service providers — exchanges, brokers, custodians — may not offer or sell payment stablecoins to persons located in the United States unless the stablecoin was issued by a permitted domestic issuer or a qualifying foreign issuer meeting Section 18(a) criteria. This effectively forces exchanges to delist non-compliant tokens or face criminal liability.
Notable exemptions exist: peer-to-peer transfers, same-parent-company cross-border movements, and self-custody wallet transactions fall outside the prohibition.
The GENIUS Act creates multiple licensing routes for domestic issuers:
Federal pathway: Nonbank entities may apply for an OCC national trust bank charter. Since December 2025, the OCC has granted conditional trust bank approvals to Circle, Paxos, Ripple, BitGo, Fidelity Digital Assets, and World Liberty Financial. Circle received full OCC approval on July 8, 2026, making it the first stablecoin issuer to hold a federal banking charter. The new entity, Circle National Trust, custodies reserve assets directly under OCC supervision.
Bank subsidiary pathway: Subsidiaries of FDIC-insured depository institutions or credit unions may issue stablecoins with regulatory approval. The FDIC published its own NPRM on April 10, 2026, setting requirements for FDIC-supervised permitted payment stablecoin issuers.
State pathway: Issuers below the $10 billion threshold may operate under state licenses. Wyoming's SPDI framework (minimum $5 million capital floor) and New York's NYDFS limited-purpose trust charter are the two most established state regimes. Wyoming issued the Frontier Stable Token on August 19, 2025, with 102% reserve backing deployed across seven chains — the first state-backed stablecoin.
The OCC has received 40 de novo bank applications in the past 18 months, compared to fewer than four annually between 2011 and 2024. Gould characterized this as an eightfold increase in digital asset approval activity. Thirteen digital asset applications remain pending on the OCC tracker, including Payward National Trust Company (Kraken's parent), Revolut Bank US, Agora National Trust Bank, and EDX Trust.
Section 18(a) of the GENIUS Act permits foreign-issued stablecoins to circulate in the United States if the issuer's home jurisdiction has a regulatory framework deemed comparable by Treasury, and the issuer demonstrates technological capability to comply with U.S. lawful orders — including the ability to freeze, seize, or burn tokens upon government request.
Treasury has not yet made a comparability determination for any foreign jurisdiction. This is the central unresolved variable for Tether, which is domiciled in the British Virgin Islands and holds licenses in El Salvador.
Tether has adopted a dual-token strategy. In January 2026, it launched USAT through Anchorage Digital Bank, a federally regulated dollar stablecoin designed from inception to be GENIUS-compliant, with full reserve backing, monthly audits, and embedded AML/KYC protocols. USDT continues to circulate globally, with Tether stating it will separately pursue foreign issuer qualification.
The proposed rules include safe harbors for foreign issuers and service providers who reasonably believe their counterparties are not U.S.-located, maintain policies preventing U.S.-directed activity, and refrain from U.S.-targeted advertising. These safe harbors may allow USDT to continue trading on non-U.S. platforms without triggering the Act's prohibitions.
USDC, by contrast, faces minimal compliance friction. Circle holds a full OCC charter, reserves sit in short-dated Treasuries and cash at regulated institutions, and monthly attestations are already published. PayPal's PYUSD ($2.9 billion market cap), issued by Paxos Trust Company under a federal charter, is similarly positioned.
The GENIUS Act mandates that payment stablecoin reserves consist exclusively of qualifying high-liquidity assets: U.S. dollars, FDIC-insured bank deposits, Treasury bills maturing within 93 days, and qualifying repurchase agreements. Precious metals, Bitcoin, corporate bonds, and secured loans are excluded.
Tether's Q1 2026 attestation from BDO Italia indicates approximately 25% of USDT reserves do not meet these qualifying-asset standards. At USDT's current market capitalization of approximately $183 billion, the non-qualifying portion represents roughly $47 billion in assets that would require restructuring.
This reserve gap does not necessarily prevent USDT from operating outside the United States. The GENIUS Act's reserve requirements apply to stablecoins "issued in the United States" and, after July 2028, to foreign-issued stablecoins offered to U.S. persons. Tether's strategy of channeling U.S. users to USAT while maintaining USDT's global circulation could allow it to operate under different reserve standards in different jurisdictions — provided Treasury does not extend comparability requirements to match U.S. reserve rules exactly.
The broader stablecoin market has shifted substantially toward Treasury-backed reserves since the GENIUS Act's passage. Total stablecoin market capitalization grew 14.3% year-over-year, from $269.4 billion in August 2025 to $308 billion in August 2026. Tron hosts $87.9 billion in USDT compared to Ethereum's $78.7 billion, reflecting stablecoin distribution across chains where regulatory enforcement mechanisms vary.
The GENIUS Act's two-phase timeline creates a clear market restructuring sequence.
Exchange compliance costs: By July 2028, every U.S.-registered exchange must verify issuer compliance before listing stablecoins. Platforms face potential delisting decisions for tokens whose issuers have not obtained permitted status. The Treasury NPRM proposes that platforms may need to examine smart contracts to confirm issuers can comply with lawful orders — a technical requirement with no established industry standard.
Liquidity concentration: Market participants and analysts have noted that the rules could concentrate liquidity around a small number of compliant tokens. USDC and PYUSD are positioned for seamless compliance. USDT's U.S. access depends on either a Treasury comparability determination or successful migration of U.S. users to USAT. Smaller stablecoins without charter applications face effective market exclusion.
State-federal interaction: The GENIUS Act preempts state laws that conflict with federal standards, creating a floor rather than a ceiling. States retain authority to license issuers below $10 billion, but all issuers must meet minimum federal reserve, redemption, and reporting requirements.
International divergence: The EU's MiCA framework, fully enforced since mid-2026, takes a different approach: licensing electronic money institutions rather than granting bank charters. Singapore, Hong Kong, the UAE, and Japan have each established separate regimes. Stablecoin issuers operating across multiple jurisdictions face an increasingly fragmented compliance landscape, with reserve requirements, audit standards, and redemption guarantees varying by market.
The Treasury NPRM converts the GENIUS Act from statute to operational reality. The core question is no longer whether stablecoins will be regulated in the United States — that was settled on July 18, 2025. The question is how quickly the licensing infrastructure can absorb a $308 billion market where the largest single token is issued offshore, holds $47 billion in non-qualifying reserves, and has not yet received a comparability determination from Treasury.
The November OCC finalization target, the October 19 comment deadline, and the January 2027 effective date create a compressed timeline. Issuers without charter applications or foreign issuer qualification in progress face diminishing optionality. Exchanges listing non-compliant tokens after July 2028 face criminal exposure.
The economic value distribution is shifting. Compliance infrastructure — charter applications, reserve restructuring, CIP systems, smart contract audits — represents a new cost layer that will concentrate the stablecoin market among well-capitalized, charter-holding issuers. The 40 de novo bank applications at the OCC suggest that the market has already priced this consolidation in.