http://www.wealthwire.com/news/metals/2967... a similar bill has been approved by The House Judiciary Committee in South Carolina. Although gold and silver could be used as legal tender, area businesses do have the power to decline either type of coin as a form of payment if they so choose.
As South Carolina moves forward in the same process, 12 other states are pursuing the same goal. Tennessee, Iowa, Georgia, Colorado and Minnesota are amongst the states exploring the new currency as an option.
H. 4128: http://www.scstatehouse.gov/sess119_2011-2012/prever/4128_20120330.htm