Here's a link to an article that summarizes the 2010 changes to the Georgia property tax law:
http://georgia.realestaterama.com/2010/04/30/georgia-property-owners-triumph-with-general-assembly-passage-sb-346-ID0198.html
http://georgia.realestaterama.com/2010/04/30/georgia-property-owners-triumph-with-general-assembly-passage-sb-346-ID0198.html