Cal. Educ. Code § 56341
(b) The individualized education program team shall include all of the following:
(2) Not less than one regular education teacher of the pupil, if the pupil is, or may be, participating in the regular education environment. If more than one regular education teacher is providing instructional services to the individual with exceptional needs, one regular education teacher may be designated by the local educational agency to represent the others.
The regular education teacher of an individual with exceptional needs, to the extent appropriate, shall participate in the development, review, and revision of the pupil’s individualized education program, including assisting in the determination of appropriate positive behavioral interventions and supports, and other strategies for the pupil, and the determination of supplementary aids and services, program modifications, and supports for school personnel that will be provided for the pupil, consistent with Section 1414(d)(1)(A)(i)(IV) of Title 20 of the United States Code.
(4) A representative of the local educational agency who meets all of the following:
(d)
(g) A member of the individualized education program team described in subdivision (f) may be excused from attending an individualized education program meeting, in whole or in part, when the meeting involves a modification to or discussion of the member’s area of the curriculum or related services, if both of the following occur: