Cal. Education Code § 44936

(a) The notice of dismissal or suspension in a proceeding initiated pursuant to Section 44934 or 44934.1 may be given at any time of year. (b) Notwithstanding subdivision (a), the notice of dismissal or suspension in a proceeding involving only charges of unsatisfactory performance initiated pursuant to Section 44934 shall only be given during the instructional year of the schoolsite where the employee is physically employed. However, a notice of dismissal or suspension in a proceeding involving charges of unsatisfactory performance may be initiated pursuant to paragraph (2) of subdivision (b) of Section 44938. (c) The notice of dismissal or suspension given during the instructional year of the schoolsite where the employee is physically employed shall be in writing and be served upon the employee personally or by United States registered mail addressed to him or her at his or her last known address. A copy of the charges filed, containing the information required by Section 11503 of the Government Code, together with a copy of the provisions of this article, shall be attached to the notice. (d) A notice of dismissal or suspension given outside of the instructional year of the schoolsite where the employee is physically employed shall be in writing and shall be served upon the employee personally. A copy of the charges filed, containing the information required pursuant to Section 11503 of the Government Code, together with a copy of the provisions of this article, shall be attached to the notice.