California Code, Education Code - EDC § 56347

A local educational agency, prior to the placement of the individual with exceptional needs, shall ensure that the regular teacher or teachers, the special education teacher or teachers, and other persons who provide special education, related services, or both to the individual with exceptional needs have access to the pupil's individualized education program, shall be knowledgeable of the content of the individualized education program, and shall be informed of his or her specific responsibilities related to implementing a pupil's individualized education program and the specific accommodations, modifications and supports that shall be provided for the pupil in accordance with the individualized education program, pursuant to Section 300.323(d) of Title 34 of the Code of Federal Regulations.  A copy of each individualized education program shall be maintained at each schoolsite where the pupil is enrolled.  Service providers from other agencies who provide instruction or a related service to the individual off the schoolsite shall be provided a copy of the individualized education program.  All individualized education programs shall be maintained in accordance with state and federal pupil record confidentiality laws.