The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Closure." A decision to close or transfer operational control of a facility.
"Department." The Department of Public Welfare of the Commonwealth.
"Facility." A State-operated mental health or mental retardation facility.
"Reduction." A reduction or decrease in resident/patient census or staff complement of 20%.
50 P.S. § 8002