Sec. 10B. ADDITIONAL LUMP-SUM RETIREMENT OR DEATH BENEFIT. (a) The board shall pay the following members a $5,000 lump-sum payment from the fund, in addition to any other benefits, as soon as administratively practicable after the date of the member's retirement:

(1) each member who retires or retired after completing 20 years of service and is eligible to receive service pension benefits under Section 4 of this article; and

(2) each member who retires or retired and is eligible to receive disability benefits under Section 6 of this article.

(b) The board shall pay a $5,000 lump-sum payment from the fund, in addition to any other benefits, to an eligible survivor of a member:

(1) who had not terminated active service; and

(2) who was eligible to receive service pension benefits under Section 4 of this article or disability benefits under Section 6 of this article.

(c) If more than one eligible survivor of one deceased member exists, the amount of each survivor's benefit is determined in the same manner as payment of death benefits is determined under Section 7(e) of this article. The board shall make payments under Subsection (b) of this section as soon as administratively practicable after the date of death of the member of whom each recipient is an eligible survivor.