Data Management Policy

Type of Record	Retention Period	Legal Basis	Remarks
Reservation information (name, contact details, date and time)	Deleted once the purpose has been fulfilled	Act on the Protection of Personal Information	As a rule, personal information is to be deleted promptly after the reservation has been completed
Payment receipts and sales slips	7 years	Corporation Tax Act	Retention is mandatory as sales-related books
Receipts and supporting documents	7 years	Corporation Tax Act	-
Customer cards (treatment history, etc.)	The period for which explicit consent has been obtained	Act on the Protection of Personal Information	Consent regarding the handling of personal information is required
Customer records (treatments, drugs, allergies)	The period for which explicit consent has been obtained	Act on the Protection of Personal Information	Customer records are quasi-medical in nature and require careful management
Health and allergy information	Strictly managed as special care-required personal information	Act on the Protection of Personal Information	Particularly strict handling is required as special care-required personal information

Retaining customer information for longer than necessary after a reservation has been completed may in itself constitute a violation of law.
Records kept for tax purposes (sales vouchers) must be managed separately from customers' personal information.
Customer records are quasi-medical in nature and require more careful management.
Health-related information, such as drug allergies, is classified as special care-required personal information and must be handled more strictly.