On pain of nullity of the judgment, the following may not sit on the judgment panels or take part in the deliberation of the proceedings:
1° The president of the court, if he has heard the debtor pursuant to the provisions of Title I of this book;
2° The judge appointed to gather all information on the financial, economic and social situation of the company, for the proceedings in which he has been appointed;
3° The official receiver or, if one has been appointed, his deputy, for the procedures in which he has been appointed;
4° The appointed judge responsible for gathering all information on the debtor’s financial situation, for the professional recovery procedures in which he has been appointed.