514Amendment—taking effect

514 Amendment—taking effect (1) If a document is amended under this part, the amendment takes effect on and from the date of the document. (2) However, an amendment including or substituting a cause of action arising after the proceeding started takes effect on the day the order giving leave was made. (3) Despite subrule (2), if an amendment mentioned in that rule is made, then, for a limitation period, the proceeding as amended is taken to have started when the original proceeding started. (4) This rule applies unless the court otherwise orders. Interpretation—pt 2.8 Division 2.8.1 Rule 600