(40 ILCS 5/6-186) (from Ch. 108 1/2, par. 6-186)
    Sec. 6-186. To require statements and determine service credits.
    To require each fireman, including those on vacation and on leave of absence to file a statement, in such form as the board directs, concerning service rendered prior to the effective date, from which the board shall make a determination of the length of such service; to determine, from such information as shall be available, the period of service rendered prior to the effective date by any fireman who fails to file such a statement.
    The determination by the board shall be conclusive as to any such period of service unless the board reconsiders any case within 2 years from the date of the determination and changes the determination.
(Source: Laws 1963, p. 161.)