23.3. Where the decision of any court or tribunal is relevant to an issue which arises before the Committee—
(a)the fact that a person has been convicted of a criminal offence may be proved by the production of a certified copy of the certificate of conviction or an extract conviction;
(b)the judgment or order of any civil court may be proved by producing a certified copy of that judgment or order; and
(c)the finding and judgment of any tribunal exercising a professional disciplinary jurisdiction may be proved by producing a certified record of the finding and judgment.