For companies that were bought, sold or for some reason don't exist anymore
OR
For speakers that already did a keynote (/other conditions) in a last recent edition
there should be a way to block new participations of being added (unless admin/coordination - but it should display the information that the entity is "blocked" from new participations)
It would be interesting to provide a reason for that ("blocking")
For companies that were bought, sold or for some reason don't exist anymore
OR
For speakers that already did a keynote (/other conditions) in a last recent edition
there should be a way to block new participations of being added (unless admin/coordination - but it should display the information that the entity is "blocked" from new participations)
It would be interesting to provide a reason for that ("blocking")