Originally Posted by ghostrider

The rules can vary by show, but you're never supposed to 'just know them'. Lower left back corner is the "usual" spot for an entry label (not to be confused with a personal label), but that doesn't mean a show committee can't request something different. All you have to do is ask the person in charge what the specifics are and you can find that person's contact info where you find out things like the entry deadline, etc. It's really quite simple and nothing to worry about. Most definitely not a reason to not enter shows.