(1) There are 4 categories of conduct for the purposes of this Act.
(2) The lowest, and least serious, is category 1.
(3) The next highest, and next most serious, is category 2.
(4) The next highest, and next most serious, is category 3.
(5) The highest, and most serious, is conduct giving rise to a corruption issue.
(6) If conduct would otherwise belong to more than one category, it is taken to belong to the higher or highest of those categories.
(7) The category to which conduct belongs may change as more information is obtained in relation to the conduct.