Upon the filing of the initial paper in each case or proceeding, the clerk shall assign a permanent designation which shall indicate the year in which it was filed, the class to which it belongs, and the case or proceeding number, as follows:

(1) The year of filing will be indicated by the use of the last two digits of the calendar year in which the initial paper is filed.

(2) The class to which the matter belongs will be indicated by the use of the letter A or B to indicate respectively the classes of proceedings or cases.

(3) The case number will be the next number in the appropriate class. There shall be a separate number series for each class. Each series used in the Eastern Division will start each year with the number 1 and each used in the Western Division with the number 50001.

Committee Note: This rule is based on local General Rule 2.12.