57. The annual value of every pension, widow’s or widower’s pension or other benefit granted under this act after 1 July 1977 is increased, where applicable, from the effective date of such pension, by computing the pensions, widow’s or widower’s pensions or any other benefit on an average salary of $7,000 in cases where the average salary used to establish the said pension is less than such amount.
1973, c. 12, s. 164 (part); 1977, c. 22, s. 24.