Cases returned by appellate court for trial, §17-8-34. Where indictment found or accusation made, §17-8-33. Where material witness unavailable, §17-8-33. Where postponement possible to later date in term, §17-8-33. Where required by principles of justice, §17-8-33. Grounds for granting. Absence of party. Generally, §17-8-23. Absence of witness. Generally, §17-8-25. Absence or illness of counsel for party. Generally, §17-8-24. Active duty with national guard or component of armed forces. Party, leading attorney or material witness on, §17-8-31. Attorney general in attendance at general assembly, §17-8-27. Bard of regents of the university system of Georgia meetings. Party or attorney in attendance, §17-8-29. Board of behavioral health and developmental disabilities. Party or attorney in attendance, §17-8-30. Board of human services meetings.