(1) The department will review all allegations of resident abandonment, abuse, neglect, or financial exploitation, or misappropriation of resident property, as those terms are defined in this chapter, RCW 74.34.020 or 42 C.F.R. 488.301.

(2) If, after the review of an allegation, the department concludes that there is reason to believe that an individual has abandoned, abused, neglected, or financially exploited a resident, or has misappropriated a resident's property, then the department will initiate an investigation.

(3) The department's investigation may include, but is not limited to:

(a) The review of facility and state agency records;

(b) Interviews with anyone who may have relevant information about the allegation; and

(c) The collection of any evidence deemed necessary by the investigator.