A. Any member of Plan A hired on or before December 31, 2006, shall be eligible to retire if he has at least:
(1) Thirty years of creditable service, regardless of age.
(2) Twenty-five years of creditable service, and is at least age fifty-five.
(3) Ten years of creditable service, and is at least age sixty.
(4) Seven years of creditable service, and is at least age sixty-five.
B. Any member of Plan A who is hired on or after January 1, 2007, shall be eligible to retire if he has at least:
(1) Thirty years of creditable service, and is at least age fifty-five.
(2) Ten years of creditable service, and is at least age sixty-two.
(3) Seven years of creditable service, and is at least age sixty-seven.