Beginning 2016, the Individual Income Tax Credit (IND-CR) form is part of the Form 500.
Withholding requirements for sales or transfers of real property by Nonresidents
Application for Extension of Time for Filing State Income Tax Returns.
Individual Income Tax Instruction Booklet. Contains 500 and 500EZ Forms and General Instructions
Claim for refund of Georgia Income Tax erroneously or illegally collected
An application for a tentative carry-back adjustment may be filed on this form by any corporation.
The IT-560 form is used by taxpayers to submit any payment of tax when an extension has been requested or is enforced. For Individual or Fiduciary.Note:  Please make checks and money orders payable to the Georgia Department of Revenue.
The IT-560C form is used by corporate taxpayers to submit any payment of tax when an extension has been requested or is enforced.Note:  Please make checks and money orders payable to the Georgia Department of Revenue. 
Corporation Income Tax General Instructions Booklet.
S Corporation income tax forms and general instructions.