Paragraph 4

who is employed for one or more periods of less than one term as a supply teacher during the period of sixteen months starting on the date that that person is first employed as a supply teacher (by that or any other employer); or

who has been so employed during that period, and whom the appropriate body has authorised to be employed for a period or periods of less than one term, as a supply teacher during a further period of not more than twelve months starting on the date that that person is first employed pursuant to this sub-paragraph (by that or any other employer).