The Peruvian operator has asked Chile's competition tribunal to halt the bidding process for four municipal casinos days before offers are due.
A major part of the reform would be a centralised monitoring system strengthening industry oversight.
The reform will encompass changes to licensing, market access and operator oversight.
Italy had between 220,000 and 230,000 AWP machines in operation during 2025, while the concessions governing their telematic networks remain extended until the end of 2026.
The land-based operator failed to participate in a multi-operator self-exclusion scheme for more than nine years, while its two adult gaming centres remain licensed in Argyll and Bute.
The supplier has retained its FY27 earnings guidance despite lower machine volumes, while introducing reduced pachinko pricing as parlors become more selective over new installations.
The final ruling will have nationwide implications and could affect at least 2,728 related cases across Brazil.
Gaming and pachislot growth helped lift first-quarter earnings as the company kept its full-year guidance unchanged.
Iris has waived all remaining conditions, with the offer now due to close on 14 August.
Casino operations accounted for the most revenue of any vertical for Full House Resorts during Q2 2026, increasing 5.8% to $60.3m, while food & beverage revenue grew 5% to $10.1m.