Paragraph 22 Appeals against decisions not to issue a certificate and decisions to revoke a certificate
A person to whom a notice is given under paragraph 20(4) refusing the issue of a certificate or paragraph 21(2) revoking a certificate may appeal against the decision concerned on the grounds that the decision—
(a)
was based on an error of fact;
(b)
was wrong in law;
(c)
was unfair or unreasonable.