It has given headteachers the discretion to make that call and we also haven't specified what constitutes exceptional circumstances as we think individual cases need to be considered individually.
In a letter to Sir Hugh Orde, president of the Association of Chief Police Officers, the Education Secretary Michael Gove said the Department for Education guidance to head teachers "does not specify what constitutes exceptional circumstances".
They concluded it was "…essential to support the training facility", that it would replace an existing building used by the club and that Arsenal's community work "constituted exceptional circumstances".
And the jury will agree that historic war trials constitute an exceptional case".Since my learned colleague brings the matter up, though, I would point out that the good sense shown abroad is also quite prevalent within America.
In comparison with its nearest hemiascomycetous relatives, the model species S. cerevisiae is thought to constitute an exceptional TE reservoir.
In addition, the salivary glands of Chironomus tentans (Ch. tentans) constitute an exceptional experimental system for in situ analyses of gene expression.
The polytene nuclei of the dipteran Chironomus tentans (Ch. tentans) with their Balbiani ring (BR) genes constitute an exceptional model system for studies of the expression of endogenous eukaryotic genes.
As shown in Table 4, the pesticide levels are only partially correlated with levels of PCBs, probably reflecting the fact that the aluminum companies at Akwesasne constitute an exceptional source of PCB exposure while the pesticide exposure there is not unusually elevated.
It crops out along 7 km in length and at its base a great number of dinosaur tracks assigned to sauropods, ornithopods and theropods have been preserved as natural casts; then constituting an exceptional regional megatracksite associated with tsunami deposits.
