It shall be unlawful for any person to take shrimp with a cast net from the waters of the state for commercial sale for food purposes or to sell for food purposes any shrimp he or she has taken with a cast net from the waters of the state unless he or she is in possession of a commercial food shrimp cast netting license as provided in this part. Such license shall be required in addition to a commercial fishing boat license issued pursuant to Code Section 27-2-8.