(1) The facility shall have a director of nursing services. The director of nursing services shall be a registered nurse or an *advanced registered nurse practitioner.
(2) The director of nursing services is responsible for:
(a) Coordinating the plan of care for each resident;
(b) Permitting only licensed personnel to administer medications: PROVIDED, That nothing herein shall be construed as prohibiting graduate nurses or student nurses from administering medications when permitted to do so under chapter 18.79 RCW and rules adopted under it: PROVIDED FURTHER, That nothing herein shall be construed as prohibiting persons certified under **chapter 18.135 RCW from practicing pursuant to the delegation and supervision requirements of **chapter 18.135 RCW and rules adopted under it; and
(c) Insuring that the licensed practical nurses and the registered nurses comply with chapter 18.79 RCW, and persons certified under **chapter 18.135 RCW comply with the provisions of that chapter and rules adopted under it.