; (2) periodically provide tenants of covered property, through the website of the Department and otherwise, as the Secretary considers appropriate, with information about what happens when they call the complaint line; (3) provide sufficient staff for the complaint line to ensure that the complaint line is sufficiently staffed for a minimum of 12 hours each day and so that the waiting time to speak live to an employee of the Department does not exceed 15 minutes on average as measured over a given one-week period; (4) ensure that the complaint line offers tenants of covered properties intake for health and safety issues at such properties; (5) ensure that upon calling the complaint line, a tenant of a covered property is first informed of how to contact the project-based contract administrator for the property to discuss the issue the tenant called about, and if the tenant has previously contacted such administrator or does not wish to involve such administrator, the person answering the call on the complaint line is capable of providing assistance for the tenant directly or can intake tenant information to assist with the request; (6) ensure that if the complaint line has received calls within any 60-day period from tenants of a covered property representing 15 percent or more of the dwelling units in the property, the appropriate regional office of the Department shall be notified; (7) ensure that if within three months after the notification of the appropriate regional office of the Department, the tenant hotline has received any additional calls from tenants of the same covered property, the headquarters office of the Department shall be notified