California Code, Education Code - EDC § 46603

(a)(1) For a period not to exceed two school months, the governing board of a school district of proposed enrollment may provisionally admit to the schools of the school district a pupil who resides in another school district, pending a decision of the governing boards of the two school districts, or by the county board of education upon appeal, regarding the interdistrict attendance.A pupil shall be eligible for provisional attendance only upon providing reasonable evidence that a final decision for a request for interdistrict transfer is pending either with the school district of residence, the school district of proposed enrollment, or the county board of education.

(2) The period of provisional attendance begins on the first day of the pupil's attendance in the school.

(3) If a decision by the school districts or the county board of education has not been rendered by the conclusion of two school months, and the school districts or the county board of education are still operating within the prescribed timelines, the pupil shall not be allowed to continue attendance at the school district of proposed enrollment. The pupil is subject to compulsory full-time education pursuant to Section 48200 and shall enroll in the school district of residence or in another educational program.

(4) Provisional attendance shall not guarantee that a school district or county board of education will approve a request for interdistrict transfer.