Construction is expected to begin in the spring of 2014 in a plan to relocate Arizona State University's law school from the Tempe campus to downtown Phoenix.
The East Valley Tribune reports that costs for the law school's new six-story building are estimated at $100 million to $120 million.
The building is expected to be completed in late 2015 and should open in 2016.
The Phoenix City Council has given its staff the go-ahead to begin negotiations to develop the university's Arizona Center for Law and Society on city controlled property.
Phoenix is contributing $12 million into the project.
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