(a) A member may apply for a disability retirement annuity by:
(1) filing an application for retirement with the board of trustees; or
(2) having an application filed with the board of trustees by the member's spouse, employer, or legal representative.
(b) An application for a disability retirement annuity may not be made:
(1) after the earlier of:
(A) the date the retirement is to become effective; or
(B) the second anniversary of the date the member ceased making contributions to the retirement system; or
(2) earlier than the 90th day before the date the retirement is to become effective.
(c) An applicant for a disability retirement annuity must submit to a medical examination and provide other pertinent information as may be required by the retirement system.