How long will it take after registering before I can start receiving PDC? PDC registrations get updated each Thursday and should be available for use on Fridays. Last Updated: July 10, 2018 19:42 Was this article helpful? Yes No Related articles Who will the PDC get sent to and how is it sent? Once registered, what do I need to do to receive the PDC? Which subscription do I need to have to receive PDC? At which airports is PDC available? When should I expect to receive the PDC and how long is it valid?