Registering Multiple People
You have the option to register additional members and nonmembers. When searching for members, enter as little information as needed to search for the member (usually just the last name). You do not need to enter an email address. If that member is not found, make certain their membership is current. If they have never logged in to the new website, they may need to log in to synchronize their membership information with the new website.
IMPORTANT NOTE: When you register multiple people as part of your registration, the process will copy the same selections (tickets, age, T-shirt selection, parking, etc.) to the other registrants by default. If the other registrants need different selections, click on the name of the registrant to make changes when you get to the payment screen. Pay particular attention to T-shirts and parking. You do not need to purchase parking for every person if they are in the same car as you, and you probably don't want the same T-shirt size for everyone. Make sure the amount totals are correct before hitting the PayPal button.
See the page Registering Multiple People for additional details.