Requests for part-time attendance shall be processed by a public school only when made by the student, the student's parent(s), or the student's guardian(s).

In addition, the enrollment of a part-time public school student who otherwise attends a private school shall be conditioned upon the certification by the student or by the student's parent(s) or guardian(s) as may be required by the public school, that:

(1) The student is a private school student; and

(2) The course and/or ancillary service for which enrollment is requested is not available at the private school of attendance.