Ed. Code, § 44978.1

When a certificated employee has exhausted all available sick leave, including accumulated sick leave, and continues to be absent on account of illness or accident for a period beyond the five-month period provided pursuant to Section 44977, and the employee is not medically able to resume the duties of his or her position, the employee shall, if not placed in another position, be placed on a reemployment list for a period of 24 months if the employee is on probationary status, or for a period of 39 months if the employee is on permanent status. When the employee is medically able, during the 24- or 39-month period, the certificated employee shall be returned to employment in a position for which he or she is credentialed and qualified. The 24-month or 39-month period shall commence at the expiration of the five-month period provided pursuant to Section 44977.