Tenn. Code Ann. § 69-11-114: Modification of certificates

The commissioner may modify a certificate of approval or the conditions attached to it. Such modification shall become effective ninety (90) days following issuance by the commissioner of a revised certificate, except when the commissioner finds that a state of emergency exists, and that life or property would be endangered by delay. In case of an emergency declared by the commissioner, the new conditions shall be effective immediately.