Provides that a hold harmless agreement or an agreement to offset a financial loss between a casino, riverboat, or unit of government and another unit of government concerning potential losses of revenue by the other unit of government is prohibited and unenforceable. Repeals the requirement that the licensed owner of a riverboat operating in Vigo County pay certain payments to the city of Evansville. Repeals language concerning a supplemental payment to East Chicago, Hammond, and Michigan City under certain circumstances. Repeals the historic hotel district community support fee.