(a) The petitioner shall deliver pursuant to Section 1215 a notice of the hearing and a copy of the petition to the director of the regional center for the developmentally disabled at least 30 days before the day of the hearing on a petition for appointment in any case in which all of the following conditions exist:

1. (1) The proposed ward or conservatee has developmental disabilities.
2. (2) The proposed guardian or conservator is not the natural parent of the proposed ward or conservatee.
3. (3) The proposed guardian or conservator is a provider of board and care, treatment, habilitation, or other services to persons with developmental disabilities or is a spouse or employee of a provider.
4. (4) The proposed guardian or conservator is not a public entity.