The owner or operator of an existing livestock management facility that through growth meets or exceeds 5,000 animal units shall file its waste management plan with the Department within 60 working days after reaching the stated animal units.
The owner or operator of a livestock management facility that is subject to this subsection (d) shall file within 60 working days with the Department a revised waste management plan when there is a change as provided in subsection (e) of this Section that will materially affect compliance with the waste management plan.
510 ILCS 77/20