(1) Each client supported by a stabilization, assessment, and intervention facility (SAIF) must receive a functional assessment for the target behavior that prevents the client from receiving residential services.

(2) The client's functional assessment must:

(a) Be based on two or more of the following:

(i) Direct observation;

(ii) An interview with anyone who has personal knowledge of the client;

(iii) A questionnaire; or

(iv) A record review.

(b) Describe:

(i) The target behavior;

(ii) The target behavior's apparent function; and

(iii) Client history and antecedents pertinent to the target behavior.

(c) Exist:

(i) In draft form no more than seven days after the client's admission to SAIF; and

(ii) In final form no more than 14 days after the client's admission to SAIF.

(3) A draft functional assessment must define the target behavior and its apparent function.