Cal. Education Code § 45271

Any employee serving in a certificated position whose position is by virtue of change of law or based upon an evaluation made pursuant to subdivision (a) of Section 44065 of the duties of the employee and subject to Section 45285 shall be deemed to be in the classified service shall without examination become a member of the classified service in accordance with the terms of Sections 45269 and 45270. Full seniority rights shall be retained, except that no seniority credit shall be allowed by virtue of previous certificated service in case of layoff for lack of funds or lack of work. Any employee serving in a classified position whose position is by virtue of change of law deemed to be in the certificated service shall without examination become an employee of the certificated service and shall be deemed to have the necessary certification qualifications for that position. Full seniority rights will be retained, except that no seniority credit will be allowed by virtue of previous classified service in case of layoff for lack of funds or lack of work. Any such person who has been continuously employed in a regular position in the classified service for the length of time necessary to acquire permanency as a certificated employee shall be deemed to be a permanent certificated employee of the district. Any such person serving in a regular position in the classified service for an amount of time less than that deemed to be necessary to acquire permanency as a certificated employee shall be a certificated probationary employee of the district. That regular classified service shall be considered as probationary service toward the attainment of permanency by a certificated employee of the district.