DTCI - any deadline for reg number?

Hi all,

Fancy using DTCI next Wednesday and more than likely will get a cab there. Question is, can I supply the reg number of said car whist I'm travelling to T3 or does it have to be say, 24 hrs before?

Thanks!

You need to give at least half an hour's notice, and you must have pre-booked your slot and given all the other info at least 12 hours in advance.