(A)   No person or persons shall engage or participate in, aid, form or start any parade unless a parade permit has been obtained from the Chief of Police or other authorized city official.
   (B)   This subchapter shall not apply to:
      (1)   Funeral processions;
      (2)   Students going to and from school classes or participating in educational activities, provided the conduct is under the immediate direction and supervision of the proper school authorities; and
      (3)   A governmental agency acting within the scope of its functions.
(1999 Code, § 71.121)  Penalty, see § 71.999