(1) Despite Part 5.3, the design of the following items of plant is not required to be registered if the designer started (or started and completed) designing the item before 1 January 2012 :
(a) concrete placement units with delivery booms;
(2) If a designer started designing an item mentioned in subregulation (1) before 1 January 2012 but has not completed the design by 1 January 2014:
(a) the designer will, in relation to the item, cease to have the benefit of subregulation (1); and
(b) the designer must comply with the requirements of Part
5.3 in relation to the duties of a designer.