Notwithstanding any provisions of this title to the contrary, for the period only of June 1, 1982 through August 31, 1982, the following retirement options shall be available to specified eligible members as follows:
(1) During the period June 1, 1982 through August 31, 1982, those members 55 years or older with a minimum of 25 eligibility points who choose to retire, may do so with no reduction in the sum of his or her single life annuities because of age.
(2) During the period June 1, 1982 through August 31, 1982, in the case of those members age 50 to 55 having a minimum of 25 eligibility points, the sum of single life annuities for members who choose to retire shall be reduced by a percentage determined by multiplying the number of months, including a fraction of a month as a full month, by which the effective date precedes age 55 by one-fourth percent.