In a Physician's Office, a Sign-In Sheet Is Permissible to Use

In a physician's office, a sign-in sheet is permissible to use as long as

A) the receptionist immediately crosses off the name.
B) the sign-in sheet is a peel-off label for each patient.
C) the actual time of the appointment is not recorded.
D) you do not ask for the reason for the visit.
E) the patient signs their name, and doesn't just print it.