The Chief Justice, Mr Justice John Murray, has told Patrick "Dutchy" Holland that it was improper for a lawyer to write to a judge directly involved in a case.
The judge said there was still no proper compliance with a legal direction to provide the credentials of a proposed Italian legal adviser for Holland at the forthcoming hearing of his claim that his case involves a miscarriage of justice.
Mr Justice Murray said yesterday he would rule later this week on Holland's application to be permitted to have Giovanni Di Stefano as his legal representative in the upcoming proceedings before the Court of Criminal Appeal. He would also decide whether to grant an adjournment of Holland's proceedings as requested by Holland.
Holland was told last week by the Chief Justice that Mr Di Stefano must file an affidavit setting out his legal qualifications and status and also outlining in which member state of the EU he is established as a lawyer.
In exchanges with the Chief Justice, Holland said that Mr Di Stefano's credentials are already before the High Court.
However, the Chief Justice said he had received a letter from Mr Di Stefano which contained "scandalous material".
"You should and he should know that it is improper for anyone to write directly to a judge involved in the case," Mr Justice Murray said. The letter, he added, displayed "an ignorance" of Irish law.
Mr Justice Murray said it was "quite unusual and extraordinary" that a party on whom Holland is seeking to rely is refusing to provide credentials or his qualifications. He said he would rule on the matter in the next few days.
Holland (66) from Dublin was convicted of possession of cannabis by the non-jury Special Criminal Court in November 1997. The court imposed a 20-year sentence but that term was later reduced on appeal to 12 years.
Holland has declared in recent court proceedings that he is due to be released from prison on April 7th but he has initiated proceedings seeking to have his conviction declared a miscarriage of justice.
Yesterday, he applied for an adjournment of his proceedings.