61. The pensionable salary of an officer in any calendar year shall not be less than the basic salary to which he is entitled in that year, determined in accordance with the conditions of employment applicable to him and taking into account the third paragraph of section 51, with the exception of any lump sum paid subsequently as an increase or adjustment of the pensionable salary for that year.
1977, c. 22, s. 25; 1983, c. 24, s. 63; 1988, c. 82, s. 121; 2007, c. 43, s. 114.