"This is to certify that the Appellant has been under treatment due to stress and depressive illness since February '96.
"Further to my previous report dated 7.10.97, I would confirm that the above patient has been having treatment for depression, stress, with inability to concentrate, insomnia and anxiety.
"The merits of the appeal may be relevant, but are usually of little weight. It is not appropriate on an application for leave to extend time for the appeal tribunal to be asked to investigate in detail the strength of the appeal. Otherwise there is a danger that an application for leave will be turned into a mini-hearing of the substantive appeal."