6. Where the new legislation lengthens a prescribed period of time, the new period applies to existing situations and account is taken of the time already elapsed.
Where it shortens a prescribed period, the new period applies, but begins to run from the coming into force of the new legislation. However, the period prescribed in the former legislation is maintained where it would in fact be extended if the new period applied.
Where a period of time not prescribed in the former legislation is introduced by the new legislation and begins with an event which in fact occurred before the coming into force of that legislation, the period, if not already expired, runs from that coming into force.