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On September 28, 2026, the Central Bank of Brazil (BCB) published Resolution BCB No. 590, which prohibits financial institutions, payment institutions, payment arrangement founders, and other payment arrangement participants from processing, settling, or facilitating transactions intended for fixed-quota lottery betting. The resolution implements Article 14 of Provisional Measure No. 1,394, published on September 25, 2026. The prohibition applies from the date of publication of the provisional measure. The BCB's Collegiate Board adopted the resolution in an extraordinary session on September 28, 2026. Financial institutions and payment arrangement participants must immediately prevent the processing, settlement, and facilitation of fixed-quota lottery betting transactions. However, the prohibition does not apply to transactions necessary for closing operations and returning funds to bettors. Compliance with this obligation does not require amendments to payment arrangement regulations, though founders of payment arrangements must alter their regulations to comply with the provisional measure's requirements. Payment arrangement founders may amend their regulations immediately without prior authorisation from the BCB or prior consultation with arrangement participants. However, they must communicate any regulatory amendments to the BCB and arrangement participants immediately after implementation. The resolution entered into force on the date of its publication, September 28, 2026. The regulation applies to all entities involved in processing payments related to fixed-quota lottery betting within Brazil's financial system.