It is unlawful for any person to sell or attempt to sell any merchandise or services in or upon any sidewalk, street, alley, lane, public right-of-way, or under any bridgeway or viaduct:

1. A. Within the Central City Plan District as defined in Chapter 33.510 of this Code;
2. B. With 250 feet of any:
   1. 1. Public library grounds;
   2. 2. Public park grounds without a permit from the Bureau of Parks and Recreation;
   3. 3. Grounds or stadium while athletic games are being played;
   4. 4. Public or private school grounds during the hours of regular school classes or sessions; or
   5. 5. Vendor already parked or stopped, or any commercial establishment, while open, if the other vendor or establishment offers similar merchandise; unless specifically authorized by ordinance, permit, or other valid City approval. Possession of a valid City business license does not constitute "other valid City approval" within the meaning of this Section.