80 Ill. Adm. Code 1600.210
Crediting Interest on Participant Contributions and Other Reserves
Section 1600.210Â Crediting
Interest on Participant Contributions and Other Reserves
a)Â Â Â Â Â Â Â Â On the first of each month, participant contributions and all
other reserves, except the reserves for undistributed interest and gains and
losses on investments, shall be credited with interest at the effective rate in
accordance with subsections (b) and (c) of this Section.
b)Â Â Â Â Â Â Â Â The balance in the account at the end of the preceding fiscal
year shall be credited with one-twelfth of one year of interest at the
effective rate.
c)Â Â Â Â Â Â Â Â A participant accepting a refund shall be entitled to interest
to the first day of the month in which the refund is paid.
d)Â Â Â Â Â Â Â Â The prescribed rate of interest shall be compounded annually,
and the rate shall be determined periodically by the Board based upon the
probable average effective rate of interest on a long-term basis.