(a) This Part serves as a supplement to, and should be read in conjunction with, Rules for Attorney Disciplinary Matters Part 1240 of this Title and is applicable to all complaints, investigations, proceedings, persons or entities covered by those rules within the jurisdiction of the State of New York Supreme Court, Appellate Division, First Judicial Department.

(b) The rules in this Part are promulgated for the purpose of assisting the committee, the Office of the Chief Attorney and the respondent to develop the facts relating to, and to reach a just and proper determination of, matters brought to the attention of the committee or Office of the Chief Attorney. The court will not hold action of a referee invalid by reason of any nonprejudicial irregularity. Any error, defect, irregularity or variance which does not affect substantial rights shall be disregarded.