This was consistent with feudal law which requires at the death of a vassal or lord the feudal investiture of his successor. Acting for the Crown, the High Notary also undertook investiture upon a subject's purchase of a manor.
This mirrored feudal law, which mandates the succession of a vassal or lord upon their demise. Acting on behalf of the Crown, the High Notary also performed investiture when a subject acquired a manor.