Always arrive at an audition fifteen minutes earlier. Acting auditions are a hectic process, and things are always changing, so it is always better to be early than late. Do not dress in any costume unless asked to, but dress in attire that best suits the role you are auditioning for. When you first arrive, report directly to the casting assistant. Once you have signed in with the casting assistant, wait patiently for your turn. Be quiet and respectful to the casting assistants; any rudeness will surely be mentioned to the casting director. If you have received your "sides" (pages which will be read in audition) rehearse to yourself and wait for your name to be called. Do some exercises that will help you relax, like deep breathing, or closing your eyes and visualizing your scene. The main goal in the waiting area is to stay lose.
This one is the resource that you can be known. To discover on the agencies in your state. When attending acting auditions there will always be rules of etiquette that an actor must follow during the audition process. The three main phases of an audition are the arrival, the audition itself, and your exit.