"Supplementary payment": The payment from the retired teachers' supplementary payment fund necessary to increase a retired teacher's service or disability retirement pension to the amount provided in Section 17--154.
40 ILCS 5/17-112
"Supplementary payment": The payment from the retired teachers' supplementary payment fund necessary to increase a retired teacher's service or disability retirement pension to the amount provided in Section 17--154.
40 ILCS 5/17-112