117. Where the cessation of the employer’s activities occurs:(1) in the first 21 months of the reference period, retrospective adjustment of the assessment corresponds to 20% of the product obtained by multiplying the insurable wages paid to its workers during the assessment year by the risk-related portion of the rate applicable to it for that year pursuant to section 305 of the Act;
(2) after the 21st month of the reference period, retrospective adjustment of the assessment for the assessment year is calculated after the expiry of the second year of the reference period by adding the initial provisional adjustment calculated in accordance with section 110 and the amount corresponding to 15% of the product obtained by multiplying the insurable wages paid to its workers during the assessment year by the risk-related portion of the rate applicable to it for that year pursuant to section 305 of the Act;
(3) after the 33rd month of the reference period, retrospective adjustment of the assessment for the assessment year is calculated after the expiry of the third year of the reference period by adding the second provisional adjustment calculated in accordance with section 111 and the amount corresponding to 10% of the product obtained by multiplying the insurable wages paid to its workers during the assessment year by the risk-related portion of the rate applicable to it for that year pursuant to section 305 of the Act;
(4) after the 45th month of the reference period, retrospective adjustment of the assessment for the assessment year is, if the adjustment has not already been made, calculated in accordance with section 109 after the expiry of the reference period.