Resident ID card (including People's Republic of China resident ID card, residence permit for Hong Kong, Macao and Taiwan residents, permanent residence permit for foreigners), Mainland Travel Permit for Hong Kong and Macao residents, Mainland Travel Permit for Taiwan residents Registered users and common contacts (passengers): "Already Frequently used contacts (passengers) via " cannot be deleted within 30 days.
Registered users of passports and common contacts (passengers): Frequently used contacts (passengers) that have been "passed" or "pre-approved" cannot be deleted within 30 days. The original common contact person (passenger) of the resident ID card under the registered user name can be deleted.