it's normal, it'll arrive within 24-48 hours along with the Biometric letter. you can book appointments for all 4 together for biometricI submitted Tourist Visa application for myself, spouse, sister and father on 6th June,2022. Everyone of us received the UCI, Client Application Summary and Biometrics Collection Letter within 4 hrs except my spouse. Is there something wrong with her application? Or I just have to wait in this case?