City appears on public standings and helps opponents find you.
An estimate is fine. You start on the bottom rung either way, and your first challenge is unrestricted, so a start that is too low corrects itself on court. If you hold a rating from another country, the conversion table shows where it lands.
Your rating, if you hold one
Optional. If you picked “I have a rating and I know it” above, this is where it goes. Organizers use it to place you at the bottom of the right band. The number itself is never published: your band is public, the rating you typed is not.