35 Ill. Adm. Code 237.205
Duration and Renewal
Section 237
Section 237.205 Duration and
Renewal
No permit shall be valid for
longer than one year. Applications for renewal of a permit shall be submitted
to the Agency at least 90 days prior to the expiration of the prior permit, and
shall conform to Section 237.202. The standards for issuance of renewal
permits shall be as set forth in Section 237.204.