"[21] The power to grant an indemnity certificate is discretionary and there is no appeal from the exercise of the discretion. There are no criteria in the Act for the exercise of the discretion, however, the Full Court in Lauchlan v Hartley considered how the discretion should be exercised and invited submissions from the Minister charged with oversight of the Fund. Counsel for the Minister conceded that notwithstanding that the submissions of counsel had led to the order or judgment which was later reversed, that should not, of itself, lead to a refusal of a certificate provided that the submissions were reasonably advanced or were fairly arguable. Accordingly, the court gave some guidance about circumstances in which it may be said that the argument advanced was reasonable or that the proposition was fairly arguable. Emphasising that he intended to be neither definitive nor exhaustive Connolly J, with whom Wanstall CJ and Lucas SPJ agreed: