Examples where NGHAs may legitimately exist in the longer term include where someone holds a post and cover for their ad-hoc absence is essential such as covering the pool side in a leisure centre.
Hefyd, mae’r dilysiadau sydd wedi eu hadeiladu i mewn i’r CBGY yn gallu amlygu achosion lle mae unigolion ar absenoldeb tymor hir wedi eu nodi’n bresennol yn anghywir.