A. Applications for sabbatical leave shall be made on a form to be provided by the superintendent of schools in the parish or city where the teacher is employed. Applications shall be sent to the superintendent by registered mail at least sixty days preceding the beginning of the semester of the school year for which leave is requested, except that, where a teacher has become sick during a semester and requests medical leave for the purpose of recuperating from such sickness, it shall be sufficient if the application is mailed thirty days before the date upon which the requested leave is to commence.
B. The superintendent shall inform the teacher of the approval or denial of such leave at least thirty days preceding the beginning of the semester of the school year for which the leave is requested, except that, where a teacher has become sick during a semester and has requested medical leave, the superintendent shall inform the teacher of the approval or denial of such leave as soon as possible after receipt of his request for leave.