80 Ill. Adm. Code 1540.100
Birth Date Verification
Section 1540
Section 1540.100 Birth Date
Verification
a) Any person or persons making application for a retirement
annuity, survivors or widows annuity, nonoccupational, occupational or
temporary disability benefit shall submit as proof of birth date, a legal copy
of their birth certificate or birth record.
b) Upon the submission by the member of documentation from an
official employed by the state or county where the birth occurred that states
that no birth record exists, the following documents may be submitted for
consideration:
1) Military records
2) Marriage record showing date of birth
3) Evidence of Social Security payments that require attainment
of specific age
4) Church records of birth or baptism
5) Passport or immigration and naturalization record
6) Two or more documents showing birth dates, such as insurance
policies, school records, and medical records
c) If none of the above documents are available, an affidavit
from parents, older brother or sister, or relative having knowledge of the date
of birth may be considered.