116.2.1. A contributor’s average first additional monthly pensionable earnings are equal to G’/480,where
G’ is the contributor’s total first additional pensionable earnings for each month included in his first additional contributory period.
Where the total number of months included in the contributor’s first additional contributory period exceeds 480, only the 480 months for which the first additional pensionable earnings are the highest will be considered.
As of the year 2042, the average first additional monthly pensionable earnings calculated as provided in the first paragraph must be multiplied by the additional benefits adjustment index for the year, established under the second paragraph of section 218.3.2.
2018, c. 22018, c. 2, s. 601; 2023, c. 302023, c. 30, s. 101.