179. For each subsequent year, the qualification for a personalized rate, as well as the first- and second-level risk indices of a successor referred to in section 178, are determined as follows:(1) by determining the qualification for a personalized rate, as well as, where applicable, its first- and second-level risk indices, in accordance with Chapter II. The indices are equal to 1 where the successor does not, for that year, qualify for a personalized rate;
(2) by re-determining the qualification and, where applicable, the first- and second-level risk indices of the successor in accordance with Chapter II by using, for any period prior to the date on which the transaction took place falling within the first- and second-level reference periods, the predecessor’s actual and expected experience. However, where a predecessor was party to an agreement under Division IV of Chapter II, its actual and expected experience include, for the period commencing on the date on which the transaction took place and ending at the end of the year in which the transaction took place, the actual and expected experience of the prevention mutual group to which it belonged for that year.The indices are equal to 1 where the successor does not qualify for a personalized rate for the assessment year under this paragraph;
(3) if the successor qualifies for a personalized rate under paragraph 1 or 2, by determining, in accordance with Subdivision 2, the weighted average of the first-level risk index determined under paragraph 1 and of that determined under paragraph 2 and by determining, in accordance with that Subdivision, the weighted average of the second-level risk index determined under paragraph 1 and of that determined under paragraph 2.