(a) Except as provided in subdivision (b), this chapter applies to a mediation as defined in Section 1115.
(b) This chapter does not apply to either of the following:
(1) A proceeding under Part 1 (commencing with Section 1800) of Division 5 of the Family Code or Chapter 11 (commencing with Section 3160) of Part 2 of Division 8 of the Family Code.
(2) A settlement conference pursuant to Rule 3.1380 of the California Rules of Court.