For obvious reasons, so that farmers can decide how to prepare their soil for sowing, they must know by 30 June each year the set-aside rate for the following year.
Af indlysende årsager: for at landbrugerne kan forberede deres tilsåning, er det nødvendigt, at de senest den 30. juni hvert år kender braklægningsprocenten for det følgende høstår.