Rule 107 of the Principal Rules is amended as follows:(a) by omitting subrule (1) and substituting the following subrule:(1) An original writ is in force for (a) if it is issued before 1 May 2006, 12 months commencing on, and including, the date of issue; and(b) if it is issued on or after 1 May 2006, 6 months commencing on, and including, the date of issue.(b) by omitting from subrule (2) "6 months" and substituting "such period as the Court or judge thinks fit" ;(c) by omitting from subrule (3) "6 months" and substituting "period for which the writ is renewed" .