(a) Night supervisory staff shall meet the personnel requirements specified in Section 80065, and the requirements below.

(b) Employees providing night supervision from 10:00 p.m. to 7:00 a.m., as specified in (c) through (f) below, shall be available to assist in the care and supervision of clients in the event of an emergency, and shall have received training in the following:

(c) In facilities providing care and supervision for 15 or fewer clients, there shall be at least one person on call on the premises.

(d) In facilities providing care and supervision for 16 to 100 clients, there shall be at least one person on duty, on the premises and awake. Another person shall be on call and capable of responding within 30 minutes.

(e) In facilities providing care and supervision for 101 to 200 clients, at least one person shall be on call, on the premises; another qualified person shall be on duty, on the premises and awake; and another person shall be on call and capable of responding within 30 minutes.

(f) In facilities providing care to seven or more clients who rely upon others to perform all activities of daily living, there shall be at least one person on duty, on the premises and awake.

(g) In facilities providing care to Regional Center clients who rely upon others to perform all activities of daily living, night supervision shall be maintained as required by the Regional Center, but no less than the staff-client ratio specified in Sections 85065.6(f) and (f)(1).

(h) For every additional 100 clients, or fraction thereof, for whom care and supervision is being provided, there shall be one additional person on duty, on the premises and awake.

(i) In facilities required to have a signal system, as specified in Section 85088, at least one staff person shall be responsible for responding to the signal system.