Optical Disk Act Article 8
A business entity shall maintain client orders, written licenses granted by right holders, contents of the pre-recorded optical disks being manufactured, and other information for at least three years.
中文原文 光碟管理條例第8條
事業應保存預錄式光碟之客戶訂單、權利人授權證明文件及所製造之預錄式光碟內容等資料，至少三年。