The coalition says the Third Circuit ruling threatens tribal sovereignty and allows sports wagering on Indian lands without required authorization.
The casino industry group says the Third Circuit ruling lets prediction markets evade state sports-betting safeguards and licensing rules.
The league seeks a 21-and-over limit and restrictions on contracts tied to outcomes vulnerable to manipulation.
IAGR and NAGRA say conflicting federal appeals rulings affect state safeguards, licensed operators and tribal gaming frameworks.
The NCLGS brief says federal oversight of Kalshi’s exchange should not displace state sports-betting safeguards as circuit conflict widens.
The company will keep existing drafts alive, but new contests will stop after the NFL kickoff as regulators push it to choose between fantasy and prediction markets.
The bipartisan bill is backed by Kalshi and ParentsRISE and would use face analysis, not stored biometric data, to block underage betting online.
The amended bill drops licensing rules and contract bans while leaving operators facing a new levy on their income.