11(1)Paragraphs 12 to 15 do not apply in relation to any temporary appointment or engagement to fill a vacancy in any such post as is mentioned in paragraph 10—
(a)for a period not exceeding four months, or
(b)where it appears to the governing body that the period for which the person appointed or engaged will act in the post in question will not exceed four months.
(2)Where it appears to the governing body in the case of any post that it would be appropriate for such an appointment as is mentioned in sub-paragraph (1) to be made, they may appoint a person to the post on such terms as to the duration of the appointment as they think fit.
(3)A person shall not be appointed under sub-paragraph (2) unless he meets all the staff qualification requirements which are applicable in relation to his appointment.
(4)Where it appears to the governing body in the case of any post that it would be appropriate for such an engagement as is mentioned in sub-paragraph (1) to be made, the governing body may—
(a)engage, or
(b)make arrangements for the engagement of,
a person to provide his services as a teacher at the school otherwise than under a contract of employment.
(5)Any engagement under sub-paragraph (4) shall be on such terms as to the duration of the engagement as the governing body may specify; but no person shall be engaged under that sub-paragraph unless he meets all the staff qualification requirements applicable in relation to a teacher in the post in which he would be acting as a temporary teacher.