Sec. 1.1. At a dispositional hearing under this chapter, the person that prepared the predispositional report:
(1) must be present, if possible; and
(2) if present, shall provide testimony when requested to explain how the individuals participating in the conference described in IC 31-34-18:
(A) examined the available options; and
(B) recommended the options that most closely coincide with the guidelines provided in IC 31-34-18-4.