Sec. 5.02. EFFECTIVE DATE OF GROUP B MEMBERSHIP. (a) The effective date of Group B membership for a person who becomes a Group B member under Section 5.01(a)(2)(A) or (B) of this article is the date the Group B member first became a member of Plan B.

(b) The effective date of Group B membership for a person who becomes a Group B member pursuant to Section 5.01(a)(2)(C) of this article is the day the person begins active service.

(c) The effective date of Group B membership for a person who becomes a Group B member and is described by Section 5.01(a)(2)(D) of this article is the date of the person's return to active service.

(d) The effective date of Group B membership for a person who again becomes a Group B member and is described by Section 5.01(a)(2)(E) of this article is the person's original effective date of Group B membership, adjusted for any period for which the person was not on active service or has withdrawn some, but not all, contributions to the fund pursuant to Section 4.04 of this article. If, however, the person withdraws all contributions to the fund in accordance with Section 4.04 of this article, and the person does not replace the previously withdrawn contributions together with interest as provided by Section 4.04(h-1) of this article, the effective date of the person's membership is the date of return to active service.

(e) The effective date of membership for a person who becomes a Group B member pursuant to Section 5.01(b) of this article is the date on which written application for the membership is filed with the executive director. The effective date of membership for a person who becomes a Group A member pursuant to Section 5.01(b) of this article is the person's original effective date of membership in the old plan, Plan A, or the combined pension plan, whichever is applicable.

(f) The effective date of Group B membership for a Group B pensioner who again becomes a Group B member pursuant to Section 5.01(c) of this article is the pensioner's original effective date of membership, adjusted for any period the person was not on active service.

(g) The effective date of Group B membership for a person who joins this plan pursuant to Section 5.01(d) of this article is March 1, 1973.

(h) A person described by Subsection (a), (c), (d), (e), (f), or (g) of this section shall be given full pension service for the time the person was a contributing member of the old plan, Plan A, the combined pension plan, and Plan B, and the pension service shall be counted as if it had been earned while a Group B member. Neither the length of time persons described by Subsection (a), (c), (d), (e), (f), or (g) of this section received a retirement or disability pension, whether under the old plan, Plan A, the combined pension plan or Plan B, nor the amount of any benefits paid to the person shall have any effect on the pension service earned by the person. No pension service may be earned while on service retirement or disability retirement, or when the person was not on active service. Except as provided by Sections 5.08 and 5.09 of this article, a person described by Subsection (a), (c), (d), (e), (f), or (g) of this section may not be allowed to contribute to the fund in order to receive pension service for the time the person was not on active service, regardless of whether the person was actually receiving a pension.

(i) The effective date of Group B membership for a person who becomes a Group B member pursuant to Section 5.01(e) of this article is the date on which written application for Group B membership is filed with the executive director.