What you hold on a guest, how long you keep it and who may ask for it.
A booking email can confirm a table without authorising promotions. Mix the two, and a routine guest record can become a PECR compliance risk.
Booking, dietary and marketing complaints can expose scattered guest records and missed deadlines before a restaurant establishes what went wrong.
A booking form that collects too much or explains privacy too late can leave restaurants with uncontrolled guest records, confused customers and complaints.
An unchecked restaurant guest-list export risks unreadable columns, altered values and unmanaged personal data during a staff handover.