40 ILCS 5/14-126.5

A member who is subject to the provisions of Section 1-160 whose disability continues but whose disability benefit is either terminated due to attaining age 65 or terminated after 5 years because the ordinary disability benefit commenced after age 60 shall immediately qualify to begin receiving a retirement annuity without the reduction provided under subsection (d) of Section 1-160 if the member has earned at least 10 years of creditable service.