(1) The enhanced services facility must ensure that:

(a) Sufficient numbers of appropriately qualified and trained staff are available to safely provide necessary care and services consistent with residents' person-centered service plans under routine conditions, as well as during fire, emergency, and disaster situations; and

(b) At least two staff are awake and on duty in the facility at all times if there are any residents in the facility.

(2) A registered nurse must be available to meet the needs of the residents as follows:

(a) On duty in the facility at least twenty hours per week; and

(b) When not present, available on-call and able to respond within thirty minutes by phone or in person.

(3) A licensed nurse must be on duty in the facility whenever a registered nurse is not on site.

(4) A mental health professional must be available to meet the needs of the residents as follows:

(a) On duty in the facility at least eight hours per day; and

(b) When not present, available on-call and able to respond within thirty minutes by phone or in person.