Internal Document Routing ProcessRequest for Permission to Use Classrooms Beyond Official Working HoursRequest for Project Approval (Approval Budget: 1–50,000 Baht)Request for Project Approval (Approval Budget: 1–50,001 Baht)Request for Approval to Conduct Make-up ClassesLeave Request (Annual Leave / Personal Leave / Sick Leave)Request for Project Approval (Approval Budget: 1–50,001 Baht)