 Because he had had no knowledge of the debtor or of the true facts of the accident until these revelations, Jacobs's claim was well within the three-year period, and Adonis's defence of extinctive prescription could not stand.The Prescription Act counters slow or busy courts with a provision to the effect that ‘the running of prescription shall be interrupted by the service on the debtor of any process whereby the creditor claims payment on the debt’, on the grounds that it would be unfair to penalise someone for the tardiness of the administrative process.As soon as one serves a summons, therefore, prescription is interrupted.