Appeal Process (These links are from the web, this is not in anyway a legal site,  you should contact your personal attorney for any legal advice)

• Taxpayer’s Return of Real Property Form PT-50r
• Property Tax Guide For The Georgia Taxpayer, Taxpayer Bill of Rights,Ga. Department of Revenue
• The Appeal Process, from GA. Department of Revenue
• Georgia Department of Revenue
• Georgia Code – Revenue and Taxation – Title 48, Section 48-5-306