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