The terms "medically determinable physical or mental impairment" and
"substantial gainful activity" shall have the meanings ascribed to them in the
federal Social Security Act, as now or hereafter amended, and the
regulations issued thereunder.
The disability retirement annuity payment period shall begin immediately
following the expiration of the disability benefit payments under clause
(6) of Section 15-152 and shall be discontinued for a recipient of a disability retirement annuity when (1) the physical or
mental impairment no longer prevents the recipient from engaging in any
substantial gainful activity, (2) the recipient dies, (3) the recipient
elects to receive a retirement annuity under Sections 15-135 and 15-136, (4) the recipient refuses to submit to a reasonable physical examination by a physician approved by the board, or (5) the recipient fails to provide an earnings verification necessary to determine continuance of benefits.
If a person's disability retirement annuity is discontinued under clause
(1), all rights and credits accrued in the system on the date that the
disability retirement annuity began shall be restored, and the disability
retirement annuity paid shall be considered as disability payments under
clause (6) of Section 15-152.
The board shall adopt rules governing the filing, investigation, control, and supervision of disability retirement annuity claims. Costs incurred by a claimant in connection with completing a claim for a disability retirement annuity shall be paid: (A) by the claimant in the case of the one required medical examination, medical certificate, and any other requirements generally imposed by the board on all disability retirement annuity claimants; and (B) by the System in the case of any additional medical examination or other additional requirement imposed on a particular claimant that is not imposed generally on all disability retirement annuity claimants.
(Source: P.A. 100-556, eff. 12-8-17.)