(a)    Except as provided in subsection (f) of this section, a member may retire with a normal service retirement allowance if:

(1)    the member completes and submits a written application to the Board of Trustees stating the date when the member desires to retire; and

(2)    on or before the date of retirement, the member:

(i)    has at least 30 years of eligibility service;

(ii)    has a combined total of at least 30 years of eligibility service from the Employees’ Pension System, the Teachers’ Pension System, the Employees’ Retirement System, or the Teachers’ Retirement System; or

(iii)    has attained the age and the years of eligibility service as follows:

Age Years of Eligibility Service 62 with 5 63 with 4 64 with 3 65 or more with 2

(b)    Except as provided in subsections (c), (d), (e), and (f) of this section, on retirement under this section, a member is entitled to receive a normal service retirement allowance that equals the number of years of the member’s creditable service multiplied by:

(1)    0.8% of the member’s average final compensation that is not in excess of the Social Security integration level; and

(2)    1.5% of the member’s average final compensation that exceeds the Social Security integration level.

(c)    Except as provided in subsection (e) of this section, on retirement under this section, a member who is subject to the contributory pension benefit under Subtitle 2, Part II of this title is entitled to receive a normal service retirement allowance that equals the sum of:

(1)    the number of years of the member’s creditable service on or after July 1, 1998 multiplied by 1.4% of the member’s average final compensation; and

(2)    the greater of:

(i)    the number of years of the member’s creditable service on or before June 30, 1998 multiplied by 1.2% of the member’s average final compensation; or

(ii)    the number of years of the member’s creditable service on or before June 30, 1998 multiplied by:

1.    0.8% of the member’s average final compensation that is not in excess of the Social Security integration level; and

2.    1.5% of the member’s average final compensation that exceeds the Social Security integration level.

(d)    Except as provided in subsection (e) of this section, a member who is subject to the Alternate Contributory Pension Selection under Subtitle 2, Part III of this title is entitled to receive a normal service retirement allowance that equals the sum of:

(1)    the greater of:

(i)    the number of years of the member’s creditable service on or before June 30, 1998 multiplied by 1.2% of the member’s average final compensation; or

(ii)    the number of years of the member’s creditable service on or before June 30, 1998 multiplied by:

1.    0.8% of the member’s average final compensation that is not in excess of the Social Security integration level; and

2.    1.5% of the member’s average final compensation that exceeds the Social Security integration level; and

(2)    the number of years of the member’s creditable service on or after July 1, 1998 multiplied by 1.8% of the member’s average final compensation.

(e)    (1)    This subsection applies only to a member who has a combined total of 30 years of eligibility service as provided in subsection (a)(2)(ii) of this section.

(2)    A member is entitled to receive a normal service retirement allowance that equals:

(i)    an allowance based on the creditable service the member earned in the Employees’ Pension System;

(ii)    an allowance based on the creditable service the member earned in the Employees’ Retirement System;

(iii)    an allowance based on the creditable service the member earned in the Teachers’ Pension System; plus

(iv)    an allowance based on the creditable service the member earned in the Teachers’ Retirement System.

(f)    (1)    A member who begins membership on or after July 1, 2011, may retire with a normal service retirement allowance if:

(i)    the member completes and submits a written application to the Board of Trustees stating the date when the member desires to retire; and

(ii)    on or before the date of retirement, the member:

1.    has at least 90 years of combined age and years of eligibility service; or

2.    is at least 65 years old and has at least 10 years of eligibility service.

(2)    A member who is subject to the reformed contributory pension benefit under Subtitle 2, Part IV of this title is entitled to receive a normal service retirement that equals the number of years of the member’s creditable service multiplied by 1.5% of the member’s average final compensation.