RIVERSIDE, Ohio (AP) -- An Ohio city has gone to federal court in its fight to tax civilian employees and contractors who work on part of an air force base.

The city of Riverside near Dayton says a provision of Ohio's municipal income tax law that prevents it from collecting taxes from employees at Wright-Patterson Air Force Base is unconstitutional.

The Dayton Daily News reported Monday ( http://bit.ly/TrV18V ) that Riverside says the law provides an arbitrary and unjustifiable tax exemption to some government employees and contractors.

Ohio argues the state is allowed to pass laws that restrict cities' taxing authority.

The city lost a similar case in state courts.

Riverside announced in 2007 it would begin collecting taxes on civilian employees who work on a portion of the base located in the city.

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Information from: Dayton Daily News, http://www.daytondailynews.com