Primary and Junior High School Act Article 50

A school shall appoint a director of its continuing education department and may appoint a number of full-time teachers or staff of the school to concurrently serve as section chiefs; teachers who are qualified personnel in accordance with the law who work at the school or elsewhere serve concurrently as section chiefs; staff of the school may serve as section chiefs on a full-time basis or concurrently.
中文原文 國民教育法第50條
學校進修部置主任一人,並得置組長若干人,由該校專任教師或職員兼任;教師依法由校內外合格人員兼任,職員得專任或兼任。

English translation for reference only; the Chinese text prevails. Not legal advice.