Cal. Educ. Code § 56844

In complying with paragraph (17), regarding the prohibition against supplantation of federal funds, and paragraph (18), regarding maintenance of state financial support for special education and related services, of subsection (a) of Section 1412 of Title 20 of the United States Code, the state may not use funds paid to it under Part B of the federal Individuals with Disabilities Education Act (20 U.S.C. Sec. 1400 et seq.) to satisfy state-mandated funding obligations to local educational agencies, including funding based on pupil attendance or enrollment, or on inflation.