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Lobbyist Data - Expenditures - Large
Expenditures of $250 or more. smaller expenditures are summarized in https://data.cityofchicago.org/d/eqdx-4qxd. See http://www.cityofchicago.org/city/en/depts/ethics/provdrs/lobby.html for more information on the Board of Ethics' role in regulating and reporting on lobbying in Chicago.