California Code, Education Code - EDC § 87408.5

(a) When a community college district wishes to employ a retirant who is retired for service, and such person has not been previously employed as a retirant, such district shall require, as a condition of initial employment as a retirant, a medical certificate showing that the retirant is free from any disabling disease unfitting him or her to instruct or associate with students. The medical certificate shall be completed and submitted directly to the community college district by a physician and surgeon licensed under the Business and Professions Code, a physician assistant practicing in compliance with Chapter 7.7 (commencing with Section 3500) of Division 2 of the Business and Professions Code, or a commissioned medical officer exempted from licensure. A medical examination shall be required for the completion of the medical certificate.The examination shall be conducted not more than six months before the completion and submission of the certificate and shall be at the expense of the retirant. The medical certificate shall become a part of the personnel record of the employee and shall be open to the employee or his or her designee.

(b) The community college district that initially employed the retirant, or any district that subsequently employs the retirant, may require a periodic medical examination by a physician and surgeon licensed under the Business and Professions Code, a physician assistant practicing in compliance with Chapter 7.7 (commencing with Section 3500) of Division 2 of the Business and Professions Code, or a commissioned medical officer exempted from licensure, to determine that the retirant is free from any communicable disease unfitting him or her to instruct or associate with students. The periodic medical examination shall be at the expense of the community college district. The medical certificate shall become a part of the personnel record of the retirant and shall be open to the retirant or his or her designee.