Cal. Educ. Code § 47644

For each charter school deemed a local educational agency for the purposes of special education, an amount equal to the amount computed pursuant to Section 56836.08 for the special education local plan area in which the charter school is included shall be apportioned by the Superintendent of Public Instruction pursuant to the local allocation plan developed pursuant to subdivision (i) of Section 56195.7 or Section 56836.05, or both. If the charter school is a participant in a local plan that only includes other charter schools pursuant to subdivision (f) of Section 56195.1, the amount computed pursuant to Section 56836.11, as adjusted pursuant to the incidence multiplier set forth in Section 56836.155, shall be apportioned by the superintendent for each unit of average daily attendance reported pursuant to subdivision (a) of Section 56836.06.