The Georgia Schedule 1 is used for various additions and subtraction from Georgia income.
It also includes the Retirement Income Exclusion and Military Retirement Exclusion
If you are using the TurboTax desktop editions click on Forms to view the Federal and State forms and schedules.
Go to this Georgia website for the 2023 Georgia Form 500 which includes Schedule 1 - https://apps.dor.ga.gov/FillableForms/PDFViewer/Index?form=2023GA500