Ill. Admin. Code tit. 8, § 1000.240
b) A cultivation center that fails to maintain production for any reason for more than 90 consecutive days after it has begun production shall be notified in writing and given 30 days from the date of notification from the Department to submit a written explanation why it so failed and, if it plans on continuing to operate as a cultivation center, a description of how it will correct the problem and prevent it from occurring again.
d) A cultivation center that has failed to continue to operate the cultivation center in a manner that provides an uninterrupted supply of medical cannabis to licensed dispensaries as provided for in Section 1000.40(g) shall be notified in writing and given 30 days from the date of notification from the Department to submit a written explanation why it was unable to provide the supply and how it will correct the situation in the future.