In Scotch legislation. They're either (1) activities of appropriate improbation for declaring a writing untrue or forged; (2) activities of reduction-improbation for creation of a writing in order to get it set-aside or its impact ascertained in certification that writing if not produced will probably be announced untrue or forged; and (3) actions of simple reduction, for declaring a writing called for null until created. Ersk. Prin. 4, 1, 5.