(a) Except as provided in subsection (b) of this section, a member who is subject to this Part IV of this subtitle shall:

(1) receive an allowance for all creditable service as follows:

(i) for normal service retirement as provided in § 23-401(f) of this title;

(ii) for early service retirement as provided in § 23-402(c) of this title;

(iii) for a vested allowance as provided in § 29-303(b-1) of this article;

(iv) for ordinary disability retirement as provided in § 29-108 of this article; and

(v) for accidental disability retirement as provided in § 29-110 of this article;

(2) have the allowance adjusted as provided in §§ 29-401, 29-402, and 29-408 of this article; and

(3) make the member contributions at the rate specified in § 23-212(d) of this subtitle.

(b) A member described in § 23-225(a)(2) of this subtitle is not subject to this Part IV of this subtitle with respect to the service credit earned in the member’s previous membership.