SPR280(g) Provided that no less than five written quotations are received public officers at the levels listed in column (A) the approving authority is listed in column B of the table below are authorised to approve acceptance lowest conforming offer or with highest overall score (if a marking scheme is used). In cases where (i) less than five written quotations received (ii) have been invited in accordance SPR 280(d) (iii) higher not obtaining used) be accepted under exceptional circumstances full justifications