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UIGEA (2006)

UIGEA (2006) barred US banks and payment firms from processing payments for illegal online gambling, forcing most listed operators out of the US market.

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Last updated
20 Sept 2026

The Unlawful Internet Gambling Enforcement Act (UIGEA) became law in the United States on 13 October 2006, attached to an unrelated port-security bill in the final hours of a congressional session. It did not make online gambling illegal — that was left to existing state and federal law — but it prohibited banks, card networks and payment processors from knowingly accepting payments connected to unlawful internet gambling. By targeting the money rather than the players, it made serving the US market impractical for any company with a public listing or a bank to answer to.

How it worked

UIGEA placed the obligation on financial institutions to identify and block restricted transactions, with regulations finalised in 2008 requiring card issuers and banks to have policies for doing so. Online gambling companies were not the direct target, but their deposits were. Within days of the signing, the London-listed operators serving American players — PartyGaming, 888 and Sportingbet among them — announced they would stop taking US customers. PartyGaming, then the world's largest online poker room, lost most of its revenue and much of its market value.

Privately held operators, mostly offshore, continued to serve US players by routing payments through processors willing to disguise the transactions. That decision led directly to the Black Friday indictments of 2011.

Why it matters for operators and suppliers

UIGEA established a principle that regulators everywhere have since used: payment blocking is the most effective way to enforce gambling law across borders. It also split the industry into companies that would only operate where explicitly licensed and companies that would operate wherever they were not explicitly stopped — a division that still defines the market and the licensing choices suppliers make.

For payment providers, UIGEA created the compliance discipline the sector now runs on: merchant category codes, transaction monitoring and jurisdiction checks all trace back to it.

Example

A listed operator earns 70% of its revenue from US players in September 2006. On the day UIGEA is signed it suspends all US accounts, its share price falls by more than half, and it spends the following years rebuilding in Europe. A private competitor keeps its US players, grows for five more years, and is indicted in 2011.

Frequently asked questions

No. It made it unlawful for financial institutions to process payments for gambling that was already illegal under other laws. Whether a given form of gambling was illegal remained a matter of state and federal law.

Yes. It now operates alongside state licensing: payments to a state-licensed operator are lawful, payments to unlicensed offshore sites are not.

Listed companies had banks, auditors and regulators to answer to and could not risk criminal exposure. Private offshore operators judged the risk differently — and several of their founders were indicted in 2011.

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