Georgia Code Title 17. Criminal Procedure § 17-10-63

(a) An application brought under this article must be filed in the superior court of the county in which the applicant is being detained. The named respondent shall be the person having actual custody of the applicant.

(b) An application brought under this article shall identify the proceeding in which the applicant was convicted, give the date of the rendition and the final judgment complained of, set forth the fact that a time period for execution has been set, give the date of the signing of the order and the dates of the designated time period for execution, and shall clearly set forth alleged facts in support of the assertion that the applicant is presently mentally incompetent to be executed. The application shall have attached thereto affidavits, records, or other evidence supporting its allegations or shall state why the same are not attached. The application shall identify any previous proceedings that the applicant may have taken challenging his mental competency to be executed or challenging his mental condition in relation to the conviction and sentence in question. Arguments and citations of authority shall be omitted from the application. The application must be verified with the oath of the applicant or of some other person in his behalf.