Please only select this ticket if you are NOT attending the main conference and are only attending pre-conference events. You can add and modify your conference registration ticket by going to your confirmation email and adding pre-conference sessions. You do NOT select pre-conference only if you are attending the main conference. Any questions on how to modify your registration - please email firstname.lastname@example.org.
For more information on pre-conference sessions and schedule please review: https://lak21.solaresearch.org/pre-conference-schedule
Each pre-conference event has its own fee of $25 USD.