7. (1) In the judicial district of Québec, whenever proceedings in connection with a petition are within the competence of a judge, he shall be designated by the judge of the Provincial Court acting as chief judge of the Provincial Court at Québec; in the district of Montréal, such judge shall be designated by the judge of the Provincial Court so acting at Montréal.
(2) In the other judicial districts, such judge shall be the judge of the Provincial Court then presiding in the Provincial Court; if the court is not sitting, such judge shall be the judge of the Provincial Court who presided at the last sitting of such court.
(3) If it is impossible to assign such proceedings to the judge mentioned in the preceding subsection, the judge who shall act shall be designated by the chief judge of the Provincial Court or the associate chief judge of the Provincial Court according to their respective administrative jurisdiction.
(4) The three judges presiding over the court shall be designated, in the districts of Québec and Montréal, according to subsection 1; in the other districts one shall be designated in accordance with subsection 2 and the others in accordance with subsection 3 unless the judge designated under subsection 2 is unable to act, in which case they shall all be designated in accordance with subsection 3.