45. The Commission fixes a personalized rate applicable to an employer in respect of each unit in which the employer is classified for the assessment year if the aggregate of the total expected compensation cost for the first-level reference period for such units is greater than the qualifying threshold.For the purposes of this Chapter, the Commission determines a unit’s expected compensation cost for the first-level reference period by applying the following formula in respect of each year of the first-level reference period and adding the results obtained:
expected compensation insurable wages paid to the first-level experience
cost for the unit for the employer’s workers in ratio of the unit
year of the first-level respect of the unit and for the year as
reference period = declared by the employer x established pursuant
or apportioned by the to section 304.1 of
Commission in accordance the Act and set
with Title II for the year of out in Schedule 1
the first-level reference period