611. Interests of justice.

If at any stage in any proceedings before a judicial authority¹ in England, Wales or Scotland, not being proceedings to which the rehabilitation principle and the concomitant exclusions of evidence and questioning as to spent convictions² and cautions³ do not apply⁴ or (in relation to a spent conviction) proceedings to which the special provisions relating to defamation actions⁵ apply, the authority is satisfied, in the light of any considerations which appear to it to be relevant (including any evidence which has been or may thereafter be put before it), that justice cannot be done in the case except by