What Is the Unlawful Internet Gambling Enforcement Act?

As of October 2026, the Unlawful Internet Gambling Enforcement Act (UIGEA) remains in force as federal law, codified at 31 U.S.C. §§ 5361–5367. Signed on October 13, 2006, it does not itself decide which online gambling is legal. Instead, it follows the money: it bars businesses that take bets from knowingly accepting certain payments in connection with unlawful internet gambling, and it directed federal regulators to require banks and payment systems to block those transactions. Whether a given bet counts as unlawful under the Act turns on other federal laws and on the law of the state or tribal land where the bet is made. That is why UIGEA coexists with licensed online gambling in some states and prohibitions in others. This article explains where the Act came from, what its text says, what it excludes, how it is enforced and what it leaves to other laws. It also addresses the misconceptions that most often surround it, including the belief that it makes all online gambling illegal everywhere. Every statement about the Act was checked against the statute text, federal regulations and Congressional Research Service material in October 2026.

Where UIGEA Came From

Congress enacted UIGEA on October 13, 2006, as Title VIII of the Security and Accountability For Every Port Act, Public Law 109-347.

The statute explains its own rationale in its findings section, 31 U.S.C. § 5361(a). Congress found that internet gambling was primarily funded through payment instruments such as credit cards and wire transfers, that the National Gambling Impact Study Commission had recommended in 1999 that wire transfers to internet gambling sites be prohibited, and that internet gambling was a growing source of debt collection problems for banks and the consumer credit industry. It also found that traditional law enforcement tools are often inadequate when gambling crosses state or national borders.

The same section sets the Act’s limits. Section 5361(b) states that nothing in the subchapter should be read as “altering, limiting, or extending any Federal or State law” that prohibits, permits or regulates gambling, and the same sentence covers tribal-state compacts. UIGEA was designed as an enforcement layer on top of existing gambling law, not as a new rulebook for what may be offered. A 2016 Congressional Research Service report summarized the point by saying UIGEA prevents payments to illegal gambling-related businesses but does not outlaw all forms of internet gambling.

What the Law Says: The Core Provisions

The payment prohibition

The central rule is in 31 U.S.C. § 5363. It provides that “No person engaged in the business of betting or wagering may knowingly accept” certain payments in connection with another person’s participation in unlawful internet gambling. The covered payment types are credit, electronic fund transfers and money transmitting services, checks and similar instruments, and any other form of financial transaction the Treasury Secretary and the Federal Reserve Board prescribe by regulation. These are called restricted transactions.

What counts as unlawful internet gambling

Section 5362(10) defines unlawful internet gambling as placing, receiving or knowingly transmitting a bet or wager that involves the internet at least in part, where the bet is unlawful under any applicable federal or state law in the state or on the tribal lands where it is initiated, received or otherwise made. The definition borrows its legality test from other laws, so UIGEA cannot be read alone.

Who is and is not covered

Section 5362(2) states that the “business of betting or wagering” does not include the activities of a financial transaction provider or an interactive computer or telecommunications service, so banks and internet platforms are generally outside the definition. Section 5367 adds a narrow exception to that protection: such a provider can face liability if it has actual knowledge and control of bets and wagers and operates, or is owned or controlled by an operator of, a website where unlawful bets are placed.

Penalties

Under section 5366, a person who violates section 5363 can be fined, imprisoned for up to five years, or both, and a court may enter a permanent injunction after conviction. Section 5365 separately lets federal and state attorneys general seek civil orders in federal district court to prevent or restrain restricted transactions.

Exclusions and Exceptions Built Into the Text

UIGEA contains several carve-outs, and they explain why the Act does not block every online wager. Section 5362(10) excludes three categories from the definition of unlawful internet gambling. Intrastate bets are excluded when they are initiated and received exclusively within one state, are expressly authorized and placed under that state’s law, and the law includes age and location verification and data security standards. Intratribal bets get a parallel exclusion, tied to tribal ordinances approved by the National Indian Gaming Commission chairman and, for class III gaming, to the applicable tribal-state compact. Both exclusions are conditioned on the bet not violating four named federal statutes, including the Interstate Horseracing Act and the Indian Gaming Regulatory Act. Activity allowed under the Interstate Horseracing Act is separately excluded.

Section 5362(1)(E) also removes certain things from the definition of a bet or wager altogether. The list includes securities transactions, transactions on registered Commodity Exchange Act entities, insurance contracts, and free-to-play games. It also covers fantasy or simulation sports games that meet specified conditions, such as prizes being announced in advance and outcomes reflecting participants’ skill and accumulated statistical results across multiple real-world events rather than a single team’s score or a single athlete’s single performance. Whether a particular contest satisfies each condition is a fact-specific question that this article does not answer.

How the Act Works in Practice

Because the statute targets payments, its day-to-day application happens largely inside the banking system. Section 5364 required the Treasury and the Federal Reserve Board, in consultation with the Attorney General, to issue regulations requiring designated payment systems and their participants to maintain policies and procedures reasonably designed to identify and block restricted transactions. Regulators published the joint final rule on November 18, 2008, as 12 CFR Part 233 (Regulation GG) and 31 CFR Part 132, with an effective date of January 19, 2009. A December 2009 notice extended the compliance date from December 1, 2009 to June 1, 2010. As of October 2026, 31 CFR Part 132 remains in the electronic Code of Federal Regulations.

The statute also tells regulators what not to block. Section 5364(b)(4) requires that transactions tied to the intrastate, intratribal and horseracing exclusions are not blocked by the regulations, and section 5364(d) shields a person from liability for blocking or refusing a transaction it reasonably believes is restricted. Section 5364(e) provides that the payment-system requirements are enforced exclusively by federal regulators named in the statute, not through general-purpose litigation. In a hypothetical illustration, suppose a bank’s policies flag a payment coded as coming from a gambling business located in a state that has not authorized it: the bank’s obligation under the rule concerns its own procedures, not a judgment about the legality of any individual customer’s conduct.

What Is Changing and What Remains Open

Status as of October 2026 is summarized below. The table covers the Act, its regulations and the main open issues identified in the sources reviewed.

The table shows that the core text and its regulations are settled law, while newer questions sit at the edges. The 2016 CRS report noted that bills to allow online poker, to restore a broader Wire Act reading and to restrict financial institutions had not been acted on by Congress. This article did not identify an enacted change to the core prohibition, and readers should check the current U.S. Code for later amendments.

The more recent debate involves prediction markets. A CRS report dated August 17, 2026 states that the expansion of prediction markets into sports since early 2025 has led to conflict and litigation with state regulators, and that some argue certain activity violates the Indian Gaming Regulatory Act. UIGEA’s definition of a bet or wager excludes transactions conducted on or subject to the rules of a registered entity under the Commodity Exchange Act. How that exclusion bears on sports event contracts is not resolved in the sources reviewed here, and this article takes no position on it.

Common Misconceptions About UIGEA

Misconception one: UIGEA makes online gambling illegal nationwide. The text says otherwise. Section 5361(b) disclaims any effect on other gambling laws, and the intrastate and intratribal exclusions recognize state- and tribe-authorized online wagering that meets the stated conditions. The 2016 CRS report likewise says the Act does not outlaw all forms of internet gambling.

Misconception two: the Act sets penalties for people who place bets. The prohibition in section 5363 is directed at a “person engaged in the business of betting or wagering”. Other federal or state laws may address individual conduct, and those vary by jurisdiction, but that is a separate question from what UIGEA itself provides.

Misconception three: UIGEA is the same as the Wire Act. They are different statutes with different targets. The Wire Act, 18 U.S.C. § 1084, addresses the use of a wire communication facility to transmit bets, wagers or related information in interstate or foreign commerce, while UIGEA addresses the acceptance of payments.

What This Means for Readers

For readers trying to understand the law, the useful takeaway is that UIGEA is a payments statute that depends on other laws. Questions about whether a form of online gambling is lawful in a particular state are answered by that state’s statutes and its gaming regulator, not by UIGEA alone. The official text of the Act is available through the U.S. Code, and the implementing rule is available in the Code of Federal Regulations.

Readers who want to know how licensing is verified can read how to check whether an online sportsbook is licensed, which describes using a regulator’s official lists. Anyone with a question about their own circumstances should consult a licensed attorney in their state, because this article describes the law in general terms and does not apply it to any individual situation.

Related Laws and Where to Read Next

UIGEA is one of several federal statutes that shape U.S. gambling. The separate Wire Act is covered in the explanation of what the Wire Act covers and the dispute over its scope. For how these federal rules affect card games played online, see whether online poker is legal in the US and which states allow it. The state-by-state picture for casino-style games is outlined in which states have legal online casinos, and the legislative route that produced many of those laws is described in how a gambling bill becomes law.

Sources & References

• Cornell Legal Information Institute — 31 U.S.C. § 5361, Congressional findings and purpose
• Cornell Legal Information Institute — 31 U.S.C. § 5362, Definitions
• Cornell Legal Information Institute — 31 U.S.C. § 5363, Prohibition on acceptance of any financial instrument for unlawful Internet gambling
• Cornell Legal Information Institute — 31 U.S.C. § 5364, Policies and procedures to identify and prevent restricted transactions
• Cornell Legal Information Institute — 31 U.S.C. § 5365, Civil remedies
• Cornell Legal Information Institute — 31 U.S.C. § 5366, Criminal penalties
• Cornell Legal Information Institute — 31 U.S.C. § 5367, Circumventions prohibited
• Cornell Legal Information Institute — 18 U.S.C. § 1084, Transmission of wagering information; penalties
• eCFR — 31 CFR Part 132, Prohibition on Funding of Unlawful Internet Gambling
• Federal Register — Prohibition on Funding of Unlawful Internet Gambling; extension of compliance date (Dec. 1, 2009)
• Congressional Research Service — Internet Gambling: Policy Issues for Congress (R44680)
• Congressional Research Service — Prediction Markets Legislation in the 119th Congress (R49266)