On 25/04/2018 04:56, Andrew Sullivan wrote: .... > There is one assumption in your question, however, that is worth > emphasising: you can't get a social ticket until you're registered, > and under our plan "registration" means "paid registration". This > also applies to companion registrations to the meeting, &c &c. There > will simply be no such status as "registered but not paid", even if > registration may take many weeks so that payment can be processed > separately from sign-up. Digging a bit deeper into that, there are other cases where you need a registration number well before the meeting - registering for certain types of side-meeting, for example. So will the registration *number* be available while payment is pending? (An implementation detail, I know, but probably better debugged in advance.) Brian