New South Wales Consolidated Regulations(cf SCR Part 1, rule 10; DCR Part 5, rule 3; LCR Part 5, rule 3)
(1) When originating process is accepted for filing, a case number or other unique identifier is to be assigned to the proceedings commenced by the process.
(2) On accepting originating process for filing, an officer of the court must endorse on the process the case number or other unique identifier assigned to the proceedings commenced by the process.