1. Purpose of processing personal information (‘dayudev.com’ or ‘DayuDev’) processes personal information for the following purposes and does not use it for any purpose other than the following. - Confirmation of customer sign-up intention, identification/authentication by providing services to customers, maintenance/management of membership, payment for goods or service supply, supply/delivery of goods or services, etc. 2. Personal information processing and retention period ① ('dayudev.com' or 'DayuDev') processes and uses personal information within the period of retention and use of personal information consented to when collecting personal information from the information subject or within the period of retention and use of personal information in accordance with laws and regulations. hold. ② The specific personal information processing and retention period is as follows. ☞ Refer to the example below and describe the personal information processing business, the r