35 Ill. Adm. Code 201.143
Operating Permits for New Sources
Section 201
Section 201.143 Operating
Permits for New Sources
No person shall cause or allow
the operation of any new emission source or new air pollution control equipment
of a type for which a construction permit is required by Section 201.142
without first obtaining an operating permit from the Agency, except for such
testing operations as may be authorized by the construction permit.
Applications for operating permits shall be made at such times and contain such
information (in addition to the information required by Section 201.157 as
shall be specified in the construction permit.