Not many rules, but this is the important one: "To qualify to be named Iowa’s Best Burger, the burger must be a 100% real beef patty and be served on a bun or bread product."
This page has links to the official contest rules and the online entry form. https://www.iabeef.org/events/best-burger-contest?fbclid=IwAR28BZzx5xR-0Ij8lCEv47y7xXmEdQsfQMjcZAxIbJMvRWzB2XmA-J5Y_54
Nominations taken through 5 p.m. March 10, 2020.
This page has links to the official contest rules and the online entry form. https://www.iabeef.org/events/best-burger-contest?fbclid=IwAR28BZzx5xR-0Ij8lCEv47y7xXmEdQsfQMjcZAxIbJMvRWzB2XmA-J5Y_54
Nominations taken through 5 p.m. March 10, 2020.