(a) Each client's bedroom shall have a name, numeral, letter or symbol for identification.

(b) Client rooms shall not be locked when occupied unless the client has the means to easily unlock the door.

(c) The facility shall conspicuously post in a prominent location a directional guide to clients' rooms.

(d) Only upon the written approval of the Department may any exit door, corridor door, yard enclosure or perimeter fence be locked to egress.

(e) Each client shall be provided clean, comfortable and reasonably private living accommodations with no more than four clients occupying a room. Any deviation from this requirement shall be justified on the basis of meeting program needs of the specific clients being served. Such justification shall be provided by the attending physician or a psychologist. Approval for more than four clients per room shall be given only by the Medical Social Review Team.

(f) Clients shall be accommodated only in rooms which have been approved by the Department and which have the following minimum floor area:

(g) Rooms approved by the State Fire Marshal, or designee, for ambulatory clients only shall not accommodate nonambulatory clients; however, this does not prohibit the mixing of ambulatory and nonambulatory clients according to their developmental needs, so long as such room assignment is consistent with fire clearance.