Buenos Aires Province will withhold 2% from online betting winnings under a new resolution

The government of Buenos Aires Province has signed off on a 2% charge on prizes paid by online betting platforms operating under provincial concessions. For PSPs and operators, the relevant point is not the headline tax rate itself but the fact that the province is now pushing a specific deduction at payout level, with weekly sworn statements required to verify it.

1. The measure was announced on Monday by Government Minister Carlos Bianco and formalized through a resolution signed by the Instituto de Loterías y Casinos, chaired by Gonzalo Atanasof, last Tuesday. Bianco said the funds will come from “this 2% rate on prizes paid on successive bets, according to Law 15079.”
2. The deduction applies to the seven companies currently licensed to operate online gaming in Buenos Aires Province: Bet63, Betano, Bettson, Betwarrior, BPlay, Sport.bet.ar and Stake. They will have to submit weekly sworn declarations to confirm the deduction applied to prizes.
3. Bianco said the province expects the new contribution to bring in between 35,000 and 40,000 million pesos per month in additional revenue. The government says the proceeds will go to the Fondo de Progreso e Inclusión Social (FOPIS) and be allocated to health, education and social development programs.
4. The rule is grounded in Article 137 of Law 15079, passed in late 2018 under María Eugenia Vidal. That article already established a contribution of between 1% and 3% on prizes from successive bets on immediate-resolution games, with revenue earmarked for municipalities in Buenos Aires Province; the new resolution extends the mechanism to online gaming.
5. This sits on top of the existing provincial burden on licensed online platforms. Under the 2026 Fiscal Law, operators already pay a 15% tax on gross gaming profits to the provincial state, plus a 10% canon on gross profit. Of that canon, 10% is distributed to municipalities, while the rest goes to General Revenues for education, promotion and social assistance.

The new withholding does not cover all online gaming formats. Law 15.079 limits it to successive bets on immediate-resolution games, such as virtual slots, where the result is known right after each play. That distinction matters: the province is not rewriting the whole online gambling regime, but it is tightening the payout mechanics on one of the highest-turnover parts of it.