The term "basic retirement annuity" shall mean the retirement annuity of the amount fixed and payable at date of retirement of the employee.
For an employee who retires with at least 30 years of service, the annual increase under this Section shall begin in the month of January or the month of July, whichever first occurs next following or coincidental with the later of (1) the first anniversary of retirement or (2) July 1, 1998, without regard to the attainment of age 60 and without regard to whether or not the employee was in service on or after the effective date of this amendatory Act of 1998.
40 ILCS 5/12-133.1