The city said the payments were authorized under the law that governs elected officials.
Applebaum resigned from office after being arrested in June on 14 charges including fraud and conspiracy.
Applebaum was selected as mayor by Montreal city council on Nov. 16, 2012, following the resignation of Gérald Tremblay amid allegations of corruption.
As mayor, Applebaum promised to clean up corruption at city hall and improve transparency among elected officials.
Quebec's anti-corruption unit, UPAC, said charges against Applebaum relate to obtaining permission and political support for two real estate projects in Montreal's Côte-des-Neiges–Notre-Dame-de-Grâce borough between 2006 and 2011, during which time he was the borough's mayor.
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