66.An authority may, under certain circumstances, give a refusal notice under this section where the authority considers that to reveal whether the information exists or is held would be contrary to the public interest.
67.This provision applies in respect of the following exemptions:
section 28 (relations within the United Kingdom)
section 29 (formulation of Scottish Administration policy etc.)
section 30 (prejudice to effective conduct of public affairs)
section 31 (national security and defence)
section 32 (international relations)
section 33 (commercial interests and the economy)
section 34 (investigations by Scottish public authorities and proceedings arising out of such investigations)
section 35 (law enforcement)
section 39(1) (health and safety)
section 41 (communications with Her Majesty, etc. and honours)