A supervised living facility may request in writing a waiver of a specific rule. The request for a waiver must cite the regulation in question, reasons for requesting the waiver, the period of time the licensee wishes to have the regulation waived, and the equivalent measures planned for protecting the health and safety of residents and staff. Waivers granted by the commissioner of health shall specify in writing the time limitation and required equivalent measures to be taken to protect the health and safety of residents and staff.