Not least because they define the eligibility rules which govern the conditions for payments from the budget as well as the management, control and audit arrangements to be applied.
Eriti sellepärast, et nende abil määratletakse abikõlblikkuskriteeriumid, mille alusel kehtestatakse eelarvest tehtavate maksete tingimused ning samuti kasutatav juhtimis-, kontrolli- ja auditeerimiskord.